diff --git a/.github/workflows/golangci.yml b/.github/workflows/golangci.yml
index 64bd63dd00..c906ef2c6e 100644
--- a/.github/workflows/golangci.yml
+++ b/.github/workflows/golangci.yml
@@ -21,9 +21,9 @@ jobs:
         uses: golangci/golangci-lint-action@v6
         with:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.54
+          version: v1.61
           args: --timeout=10m
-          
+
           # Optional: working directory, useful for monorepos
           # working-directory: somedir
 
diff --git a/config/config_test.go b/config/config_test.go
index 284a802d7c..ce466b8d08 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -3,7 +3,7 @@ package config
 import (
 	"testing"
 
-	. "github.com/future-architect/vuls/constant"
+	"github.com/future-architect/vuls/constant"
 )
 
 func TestDistro_MajorVersion(t *testing.T) {
@@ -13,28 +13,28 @@ func TestDistro_MajorVersion(t *testing.T) {
 	}{
 		{
 			in: Distro{
-				Family:  Amazon,
+				Family:  constant.Amazon,
 				Release: "2022 (Amazon Linux)",
 			},
 			out: 2022,
 		},
 		{
 			in: Distro{
-				Family:  Amazon,
+				Family:  constant.Amazon,
 				Release: "2 (2017.12)",
 			},
 			out: 2,
 		},
 		{
 			in: Distro{
-				Family:  Amazon,
+				Family:  constant.Amazon,
 				Release: "2017.12",
 			},
 			out: 1,
 		},
 		{
 			in: Distro{
-				Family:  CentOS,
+				Family:  constant.CentOS,
 				Release: "7.10",
 			},
 			out: 7,
diff --git a/config/os_test.go b/config/os_test.go
index d37bfb2646..312bf980bd 100644
--- a/config/os_test.go
+++ b/config/os_test.go
@@ -4,7 +4,7 @@ import (
 	"testing"
 	"time"
 
-	. "github.com/future-architect/vuls/constant"
+	"github.com/future-architect/vuls/constant"
 )
 
 func TestEOL_IsStandardSupportEnded(t *testing.T) {
@@ -23,7 +23,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		// Amazon Linux
 		{
 			name:     "amazon linux 1 supported",
-			fields:   fields{family: Amazon, release: "2018.03"},
+			fields:   fields{family: constant.Amazon, release: "2018.03"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -31,7 +31,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "amazon linux 1 eol on 2023-12-31",
-			fields:   fields{family: Amazon, release: "2018.03"},
+			fields:   fields{family: constant.Amazon, release: "2018.03"},
 			now:      time.Date(2024, 1, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -39,7 +39,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "amazon linux 2 supported",
-			fields:   fields{family: Amazon, release: "2 (Karoo)"},
+			fields:   fields{family: constant.Amazon, release: "2 (Karoo)"},
 			now:      time.Date(2023, 7, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -47,7 +47,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "amazon linux 2022 supported",
-			fields:   fields{family: Amazon, release: "2022 (Amazon Linux)"},
+			fields:   fields{family: constant.Amazon, release: "2022 (Amazon Linux)"},
 			now:      time.Date(2023, 7, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -55,7 +55,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "amazon linux 2023 supported",
-			fields:   fields{family: Amazon, release: "2023"},
+			fields:   fields{family: constant.Amazon, release: "2023"},
 			now:      time.Date(2023, 7, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -63,7 +63,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "amazon linux 2031 not found",
-			fields:   fields{family: Amazon, release: "2031"},
+			fields:   fields{family: constant.Amazon, release: "2031"},
 			now:      time.Date(2023, 7, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -72,7 +72,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		//RHEL
 		{
 			name:     "RHEL6 eol",
-			fields:   fields{family: RedHat, release: "6"},
+			fields:   fields{family: constant.RedHat, release: "6"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: false,
@@ -80,7 +80,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "RHEL7 supported",
-			fields:   fields{family: RedHat, release: "7"},
+			fields:   fields{family: constant.RedHat, release: "7"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -88,7 +88,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "RHEL8 supported",
-			fields:   fields{family: RedHat, release: "8"},
+			fields:   fields{family: constant.RedHat, release: "8"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -96,7 +96,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "RHEL9 supported",
-			fields:   fields{family: RedHat, release: "9"},
+			fields:   fields{family: constant.RedHat, release: "9"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -104,7 +104,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "RHEL10 not found",
-			fields:   fields{family: RedHat, release: "10"},
+			fields:   fields{family: constant.RedHat, release: "10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -113,7 +113,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		//CentOS
 		{
 			name:     "CentOS 6 eol",
-			fields:   fields{family: CentOS, release: "6"},
+			fields:   fields{family: constant.CentOS, release: "6"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -121,7 +121,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "CentOS 7 supported",
-			fields:   fields{family: CentOS, release: "7"},
+			fields:   fields{family: constant.CentOS, release: "7"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -129,7 +129,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "CentOS 8 supported",
-			fields:   fields{family: CentOS, release: "8"},
+			fields:   fields{family: constant.CentOS, release: "8"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -137,7 +137,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "CentOS stream8 supported",
-			fields:   fields{family: CentOS, release: "stream8"},
+			fields:   fields{family: constant.CentOS, release: "stream8"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -145,7 +145,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "CentOS stream9 supported",
-			fields:   fields{family: CentOS, release: "stream9"},
+			fields:   fields{family: constant.CentOS, release: "stream9"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -153,7 +153,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "CentOS stream10 Not Found",
-			fields:   fields{family: CentOS, release: "stream10"},
+			fields:   fields{family: constant.CentOS, release: "stream10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -162,7 +162,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		// Alma
 		{
 			name:     "Alma Linux 8 supported",
-			fields:   fields{family: Alma, release: "8"},
+			fields:   fields{family: constant.Alma, release: "8"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -170,7 +170,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alma Linux 9 supported",
-			fields:   fields{family: Alma, release: "9"},
+			fields:   fields{family: constant.Alma, release: "9"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -178,7 +178,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alma Linux 10 Not Found",
-			fields:   fields{family: Alma, release: "10"},
+			fields:   fields{family: constant.Alma, release: "10"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -187,7 +187,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		// Rocky
 		{
 			name:     "Rocky Linux 8 supported",
-			fields:   fields{family: Rocky, release: "8"},
+			fields:   fields{family: constant.Rocky, release: "8"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -195,7 +195,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Rocky Linux 9 supported",
-			fields:   fields{family: Rocky, release: "9"},
+			fields:   fields{family: constant.Rocky, release: "9"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -203,7 +203,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Rocky Linux 10 Not Found",
-			fields:   fields{family: Rocky, release: "10"},
+			fields:   fields{family: constant.Rocky, release: "10"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -212,7 +212,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		//Oracle
 		{
 			name:     "Oracle Linux 6 eol",
-			fields:   fields{family: Oracle, release: "6"},
+			fields:   fields{family: constant.Oracle, release: "6"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -220,7 +220,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Oracle Linux 7 supported",
-			fields:   fields{family: Oracle, release: "7"},
+			fields:   fields{family: constant.Oracle, release: "7"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -228,7 +228,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Oracle Linux 8 supported",
-			fields:   fields{family: Oracle, release: "8"},
+			fields:   fields{family: constant.Oracle, release: "8"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -236,7 +236,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Oracle Linux 9 supported",
-			fields:   fields{family: Oracle, release: "9"},
+			fields:   fields{family: constant.Oracle, release: "9"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -244,7 +244,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Oracle Linux 10 not found",
-			fields:   fields{family: Oracle, release: "10"},
+			fields:   fields{family: constant.Oracle, release: "10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -253,7 +253,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		//Ubuntu
 		{
 			name:     "Ubuntu 5.10 not found",
-			fields:   fields{family: Ubuntu, release: "5.10"},
+			fields:   fields{family: constant.Ubuntu, release: "5.10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			found:    false,
 			stdEnded: false,
@@ -261,7 +261,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 14.04 eol",
-			fields:   fields{family: Ubuntu, release: "14.04"},
+			fields:   fields{family: constant.Ubuntu, release: "14.04"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: false,
@@ -269,7 +269,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 14.10 eol",
-			fields:   fields{family: Ubuntu, release: "14.10"},
+			fields:   fields{family: constant.Ubuntu, release: "14.10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -277,7 +277,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 16.04 supported",
-			fields:   fields{family: Ubuntu, release: "18.04"},
+			fields:   fields{family: constant.Ubuntu, release: "18.04"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -285,7 +285,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 18.04 supported",
-			fields:   fields{family: Ubuntu, release: "18.04"},
+			fields:   fields{family: constant.Ubuntu, release: "18.04"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -293,7 +293,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 18.04 ext supported",
-			fields:   fields{family: Ubuntu, release: "18.04"},
+			fields:   fields{family: constant.Ubuntu, release: "18.04"},
 			now:      time.Date(2025, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: false,
@@ -301,7 +301,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 20.04 supported",
-			fields:   fields{family: Ubuntu, release: "20.04"},
+			fields:   fields{family: constant.Ubuntu, release: "20.04"},
 			now:      time.Date(2021, 5, 1, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -309,7 +309,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 20.04 ext supported",
-			fields:   fields{family: Ubuntu, release: "20.04"},
+			fields:   fields{family: constant.Ubuntu, release: "20.04"},
 			now:      time.Date(2025, 5, 1, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: true,
@@ -317,7 +317,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 20.10 supported",
-			fields:   fields{family: Ubuntu, release: "20.10"},
+			fields:   fields{family: constant.Ubuntu, release: "20.10"},
 			now:      time.Date(2021, 5, 1, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -325,7 +325,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 21.04 supported",
-			fields:   fields{family: Ubuntu, release: "21.04"},
+			fields:   fields{family: constant.Ubuntu, release: "21.04"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -333,7 +333,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 21.10 supported",
-			fields:   fields{family: Ubuntu, release: "21.10"},
+			fields:   fields{family: constant.Ubuntu, release: "21.10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -341,7 +341,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 22.04 supported",
-			fields:   fields{family: Ubuntu, release: "22.04"},
+			fields:   fields{family: constant.Ubuntu, release: "22.04"},
 			now:      time.Date(2022, 5, 1, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -349,7 +349,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 22.10 supported",
-			fields:   fields{family: Ubuntu, release: "22.10"},
+			fields:   fields{family: constant.Ubuntu, release: "22.10"},
 			now:      time.Date(2022, 5, 1, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -357,7 +357,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 23.04 supported",
-			fields:   fields{family: Ubuntu, release: "23.04"},
+			fields:   fields{family: constant.Ubuntu, release: "23.04"},
 			now:      time.Date(2023, 3, 16, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -365,7 +365,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 23.10 supported",
-			fields:   fields{family: Ubuntu, release: "23.10"},
+			fields:   fields{family: constant.Ubuntu, release: "23.10"},
 			now:      time.Date(2024, 7, 11, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -373,7 +373,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Ubuntu 24.04 supported",
-			fields:   fields{family: Ubuntu, release: "24.04"},
+			fields:   fields{family: constant.Ubuntu, release: "24.04"},
 			now:      time.Date(2029, 6, 30, 23, 59, 59, 0, time.UTC),
 			found:    true,
 			stdEnded: false,
@@ -382,7 +382,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		//Debian
 		{
 			name:     "Debian 8 supported",
-			fields:   fields{family: Debian, release: "8"},
+			fields:   fields{family: constant.Debian, release: "8"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -390,7 +390,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Debian 9 supported",
-			fields:   fields{family: Debian, release: "9"},
+			fields:   fields{family: constant.Debian, release: "9"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -398,7 +398,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Debian 10 supported",
-			fields:   fields{family: Debian, release: "10"},
+			fields:   fields{family: constant.Debian, release: "10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -406,7 +406,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Debian 11 supported",
-			fields:   fields{family: Debian, release: "11"},
+			fields:   fields{family: constant.Debian, release: "11"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -414,7 +414,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Debian 12 supported",
-			fields:   fields{family: Debian, release: "12"},
+			fields:   fields{family: constant.Debian, release: "12"},
 			now:      time.Date(2023, 6, 10, 0, 0, 0, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -422,7 +422,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Debian 13 is not supported yet",
-			fields:   fields{family: Debian, release: "13"},
+			fields:   fields{family: constant.Debian, release: "13"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -431,7 +431,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		//alpine
 		{
 			name:     "alpine 3.10 supported",
-			fields:   fields{family: Alpine, release: "3.10"},
+			fields:   fields{family: constant.Alpine, release: "3.10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -439,7 +439,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.11 supported",
-			fields:   fields{family: Alpine, release: "3.11"},
+			fields:   fields{family: constant.Alpine, release: "3.11"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -447,7 +447,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.12 supported",
-			fields:   fields{family: Alpine, release: "3.12"},
+			fields:   fields{family: constant.Alpine, release: "3.12"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -455,7 +455,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.9 eol",
-			fields:   fields{family: Alpine, release: "3.9"},
+			fields:   fields{family: constant.Alpine, release: "3.9"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -463,7 +463,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.14 supported",
-			fields:   fields{family: Alpine, release: "3.14"},
+			fields:   fields{family: constant.Alpine, release: "3.14"},
 			now:      time.Date(2022, 5, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -471,7 +471,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.15 supported",
-			fields:   fields{family: Alpine, release: "3.15"},
+			fields:   fields{family: constant.Alpine, release: "3.15"},
 			now:      time.Date(2022, 11, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -479,7 +479,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.16 supported",
-			fields:   fields{family: Alpine, release: "3.16"},
+			fields:   fields{family: constant.Alpine, release: "3.16"},
 			now:      time.Date(2024, 5, 23, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -487,7 +487,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.17 supported",
-			fields:   fields{family: Alpine, release: "3.17"},
+			fields:   fields{family: constant.Alpine, release: "3.17"},
 			now:      time.Date(2022, 1, 14, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -495,7 +495,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.18 supported",
-			fields:   fields{family: Alpine, release: "3.18"},
+			fields:   fields{family: constant.Alpine, release: "3.18"},
 			now:      time.Date(2025, 5, 9, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -503,7 +503,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.19 supported",
-			fields:   fields{family: Alpine, release: "3.19"},
+			fields:   fields{family: constant.Alpine, release: "3.19"},
 			now:      time.Date(2025, 11, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -511,7 +511,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.20 supported",
-			fields:   fields{family: Alpine, release: "3.20"},
+			fields:   fields{family: constant.Alpine, release: "3.20"},
 			now:      time.Date(2026, 4, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -519,7 +519,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Alpine 3.21 not found",
-			fields:   fields{family: Alpine, release: "3.21"},
+			fields:   fields{family: constant.Alpine, release: "3.21"},
 			now:      time.Date(2026, 4, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -528,7 +528,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		// freebsd
 		{
 			name:     "freebsd 10 eol",
-			fields:   fields{family: FreeBSD, release: "10"},
+			fields:   fields{family: constant.FreeBSD, release: "10"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -536,7 +536,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "freebsd 11 supported",
-			fields:   fields{family: FreeBSD, release: "11"},
+			fields:   fields{family: constant.FreeBSD, release: "11"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -544,7 +544,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "freebsd 11 eol on 2021-9-30",
-			fields:   fields{family: FreeBSD, release: "11"},
+			fields:   fields{family: constant.FreeBSD, release: "11"},
 			now:      time.Date(2021, 10, 1, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -552,7 +552,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "freebsd 12 supported",
-			fields:   fields{family: FreeBSD, release: "12"},
+			fields:   fields{family: constant.FreeBSD, release: "12"},
 			now:      time.Date(2021, 1, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -560,7 +560,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "freebsd 13 supported",
-			fields:   fields{family: FreeBSD, release: "13"},
+			fields:   fields{family: constant.FreeBSD, release: "13"},
 			now:      time.Date(2021, 7, 2, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -568,7 +568,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "freebsd 14 supported",
-			fields:   fields{family: FreeBSD, release: "14"},
+			fields:   fields{family: constant.FreeBSD, release: "14"},
 			now:      time.Date(2028, 11, 21, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -577,7 +577,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		// Fedora
 		{
 			name:     "Fedora 32 supported",
-			fields:   fields{family: Fedora, release: "32"},
+			fields:   fields{family: constant.Fedora, release: "32"},
 			now:      time.Date(2021, 5, 24, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -585,7 +585,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 32 eol since 2021-5-25",
-			fields:   fields{family: Fedora, release: "32"},
+			fields:   fields{family: constant.Fedora, release: "32"},
 			now:      time.Date(2021, 5, 25, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -593,7 +593,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 33 supported",
-			fields:   fields{family: Fedora, release: "33"},
+			fields:   fields{family: constant.Fedora, release: "33"},
 			now:      time.Date(2021, 11, 29, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -601,7 +601,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 33 eol since 2021-11-30",
-			fields:   fields{family: Fedora, release: "32"},
+			fields:   fields{family: constant.Fedora, release: "32"},
 			now:      time.Date(2021, 11, 30, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -609,7 +609,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 34 supported",
-			fields:   fields{family: Fedora, release: "34"},
+			fields:   fields{family: constant.Fedora, release: "34"},
 			now:      time.Date(2022, 6, 6, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -617,7 +617,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 34 eol since 2022-6-7",
-			fields:   fields{family: Fedora, release: "34"},
+			fields:   fields{family: constant.Fedora, release: "34"},
 			now:      time.Date(2022, 6, 7, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -625,7 +625,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 35 supported",
-			fields:   fields{family: Fedora, release: "35"},
+			fields:   fields{family: constant.Fedora, release: "35"},
 			now:      time.Date(2022, 12, 12, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -633,7 +633,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 35 eol since 2022-12-13",
-			fields:   fields{family: Fedora, release: "35"},
+			fields:   fields{family: constant.Fedora, release: "35"},
 			now:      time.Date(2022, 12, 13, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -641,7 +641,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 36 supported",
-			fields:   fields{family: Fedora, release: "36"},
+			fields:   fields{family: constant.Fedora, release: "36"},
 			now:      time.Date(2023, 5, 16, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -649,7 +649,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 36 eol since 2023-05-17",
-			fields:   fields{family: Fedora, release: "36"},
+			fields:   fields{family: constant.Fedora, release: "36"},
 			now:      time.Date(2023, 5, 17, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -657,7 +657,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 37 supported",
-			fields:   fields{family: Fedora, release: "37"},
+			fields:   fields{family: constant.Fedora, release: "37"},
 			now:      time.Date(2023, 12, 5, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -665,7 +665,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 37 eol since 2023-12-6",
-			fields:   fields{family: Fedora, release: "37"},
+			fields:   fields{family: constant.Fedora, release: "37"},
 			now:      time.Date(2023, 12, 6, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -673,7 +673,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 38 supported",
-			fields:   fields{family: Fedora, release: "38"},
+			fields:   fields{family: constant.Fedora, release: "38"},
 			now:      time.Date(2024, 5, 21, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -681,7 +681,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 38 eol since 2024-05-22",
-			fields:   fields{family: Fedora, release: "38"},
+			fields:   fields{family: constant.Fedora, release: "38"},
 			now:      time.Date(2024, 5, 22, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -689,7 +689,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 39 supported",
-			fields:   fields{family: Fedora, release: "39"},
+			fields:   fields{family: constant.Fedora, release: "39"},
 			now:      time.Date(2024, 11, 12, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -697,7 +697,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 39 eol since 2024-11-13",
-			fields:   fields{family: Fedora, release: "39"},
+			fields:   fields{family: constant.Fedora, release: "39"},
 			now:      time.Date(2024, 11, 13, 0, 0, 0, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -705,7 +705,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Fedora 40 supported",
-			fields:   fields{family: Fedora, release: "40"},
+			fields:   fields{family: constant.Fedora, release: "40"},
 			now:      time.Date(2025, 5, 13, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -713,7 +713,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Windows 10 EOL",
-			fields:   fields{family: Windows, release: "Windows 10 for x64-based Systems"},
+			fields:   fields{family: constant.Windows, release: "Windows 10 for x64-based Systems"},
 			now:      time.Date(2022, 12, 8, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -721,7 +721,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Windows 10 Version 22H2 supported",
-			fields:   fields{family: Windows, release: "Windows 10 Version 22H2 for x64-based Systems"},
+			fields:   fields{family: constant.Windows, release: "Windows 10 Version 22H2 for x64-based Systems"},
 			now:      time.Date(2022, 12, 8, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
@@ -729,7 +729,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "Mac OS X 10.15 EOL",
-			fields:   fields{family: MacOSX, release: "10.15.7"},
+			fields:   fields{family: constant.MacOSX, release: "10.15.7"},
 			now:      time.Date(2023, 7, 25, 23, 59, 59, 0, time.UTC),
 			stdEnded: true,
 			extEnded: true,
@@ -737,7 +737,7 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 		},
 		{
 			name:     "macOS 13.4.1 supported",
-			fields:   fields{family: MacOS, release: "13.4.1"},
+			fields:   fields{family: constant.MacOS, release: "13.4.1"},
 			now:      time.Date(2023, 7, 25, 23, 59, 59, 0, time.UTC),
 			stdEnded: false,
 			extEnded: false,
diff --git a/contrib/future-vuls/cmd/main.go b/contrib/future-vuls/cmd/main.go
index 2b56c8ef1e..c2aa52fe3a 100644
--- a/contrib/future-vuls/cmd/main.go
+++ b/contrib/future-vuls/cmd/main.go
@@ -40,7 +40,7 @@ func main() {
 		Use:   "version",
 		Short: "Show version",
 		Long:  "Show version",
-		Run: func(cmd *cobra.Command, args []string) {
+		Run: func(_ *cobra.Command, _ []string) {
 			fmt.Printf("future-vuls-%s-%s\n", vulsConfig.Version, vulsConfig.Revision)
 		},
 	}
@@ -49,7 +49,7 @@ func main() {
 		Use:   "upload",
 		Short: "Upload to FutureVuls",
 		Long:  `Upload to FutureVuls`,
-		RunE: func(cmd *cobra.Command, args []string) error {
+		RunE: func(_ *cobra.Command, _ []string) error {
 			if len(serverUUID) == 0 {
 				serverUUID = os.Getenv("VULS_SERVER_UUID")
 			}
@@ -90,7 +90,7 @@ func main() {
 		Use:     "discover --cidr <CIDR_RANGE> --output <OUTPUT_FILE>",
 		Short:   "discover hosts with CIDR range. Run snmp2cpe on active host to get CPE. Default outputFile is ./discover_list.toml",
 		Example: "future-vuls discover --cidr 192.168.0.0/24 --output discover_list.toml",
-		RunE: func(cmd *cobra.Command, args []string) error {
+		RunE: func(_ *cobra.Command, _ []string) error {
 			if len(outputFile) == 0 {
 				outputFile = config.DiscoverTomlFileName
 			}
@@ -122,7 +122,7 @@ func main() {
 		Use:     "add-cpe --token <VULS_TOKEN> --output <OUTPUT_FILE>",
 		Short:   "Create a pseudo server in Fvuls and register CPE. Default outputFile is ./discover_list.toml",
 		Example: "future-vuls add-cpe --token <VULS_TOKEN>",
-		RunE: func(cmd *cobra.Command, args []string) error {
+		RunE: func(_ *cobra.Command, _ []string) error {
 			if len(token) == 0 {
 				token = os.Getenv("VULS_TOKEN")
 				if len(token) == 0 {
diff --git a/contrib/future-vuls/pkg/discover/discover.go b/contrib/future-vuls/pkg/discover/discover.go
index 178ef0f7bf..f593450b1e 100644
--- a/contrib/future-vuls/pkg/discover/discover.go
+++ b/contrib/future-vuls/pkg/discover/discover.go
@@ -4,7 +4,6 @@ package discover
 import (
 	"encoding/json"
 	"fmt"
-	"io"
 	"os"
 	"os/exec"
 	"time"
@@ -111,7 +110,7 @@ func executeSnmp2cpe(addr string, snmpVersion string, community string) (cpes ma
 	if err != nil {
 		return nil, fmt.Errorf("failed to convert snmp2cpe result. err: %v", err)
 	}
-	if _, err := io.WriteString(stdin, string(result)); err != nil {
+	if _, err := stdin.Write(result); err != nil {
 		return nil, fmt.Errorf("failed to write to stdIn. err: %v", err)
 	}
 	stdin.Close()
diff --git a/contrib/trivy/cmd/main.go b/contrib/trivy/cmd/main.go
index 9fa6012618..d651d9f78b 100644
--- a/contrib/trivy/cmd/main.go
+++ b/contrib/trivy/cmd/main.go
@@ -26,7 +26,7 @@ func main() {
 		Use:   "parse",
 		Short: "Parse trivy json to vuls results",
 		Long:  `Parse trivy json to vuls results`,
-		Run: func(cmd *cobra.Command, args []string) {
+		Run: func(_ *cobra.Command, _ []string) {
 			jsonFilePath := filepath.Join(jsonDir, jsonFileName)
 			var trivyJSON []byte
 			if stdIn {
@@ -67,7 +67,7 @@ func main() {
 		Use:   "version",
 		Short: "Show version",
 		Long:  "Show version",
-		Run: func(cmd *cobra.Command, args []string) {
+		Run: func(_ *cobra.Command, _ []string) {
 			fmt.Printf("trivy-to-vuls-%s-%s\n", config.Version, config.Revision)
 		},
 	}
diff --git a/detector/wordpress.go b/detector/wordpress.go
index b08aea8a9d..53ef13a829 100644
--- a/detector/wordpress.go
+++ b/detector/wordpress.go
@@ -313,15 +313,16 @@ func httpRequest(url, token string) (string, error) {
 			fmt.Sprintf("Failed to access to wpscan.com. err: %s", err))
 	}
 	defer resp.Body.Close()
-	if resp.StatusCode == 200 {
+	switch resp.StatusCode {
+	case 200:
 		return string(body), nil
-	} else if resp.StatusCode == 404 {
+	case 404:
 		// This package is not in wpscan
 		return "", nil
-	} else if resp.StatusCode == 429 {
+	case 429:
 		return "", errof.New(errof.ErrWpScanAPILimitExceeded,
 			fmt.Sprintf("wpscan.com API limit exceeded: %+v", resp.Status))
-	} else {
+	default:
 		logging.Log.Warnf("wpscan.com unknown status code: %+v", resp.Status)
 		return "", nil
 	}
diff --git a/go.mod b/go.mod
index 5ee5cf17b5..2e1d27f0d1 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,6 @@
 module github.com/future-architect/vuls
 
-go 1.22.0
-
-toolchain go1.22.3
+go 1.23
 
 require (
 	github.com/3th1nk/cidr v0.2.0
@@ -406,3 +404,6 @@ require (
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
 )
+
+// see https://github.com/aquasecurity/trivy/pull/7427, remove when updating trivy to v0.56.0
+replace github.com/open-policy-agent/opa => github.com/nikpivkin/opa v0.0.0-20240829080621-16999fcb5464
diff --git a/go.sum b/go.sum
index 957c59b234..4dd2dcca6d 100644
--- a/go.sum
+++ b/go.sum
@@ -1120,6 +1120,8 @@ github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f h1:y5//uYreIhSUg3J
 github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/nikpivkin/opa v0.0.0-20240829080621-16999fcb5464 h1:jhZ8nLVxOAslgzmPdKTyctfDJkMfRgksCypFriHzf4E=
+github.com/nikpivkin/opa v0.0.0-20240829080621-16999fcb5464/go.mod h1:cvSIxY0dexL39hOPqXSZKdBYFNx2Rv8Fu5n3MmTjqtE=
 github.com/nlopes/slack v0.6.0 h1:jt0jxVQGhssx1Ib7naAOZEZcGdtIhTzkP0nopK0AsRA=
 github.com/nlopes/slack v0.6.0/go.mod h1:JzQ9m3PMAqcpeCam7UaHSuBuupz7CmpjehYMayT6YOk=
 github.com/nozzle/throttler v0.0.0-20180817012639-2ea982251481 h1:Up6+btDp321ZG5/zdSLo48H9Iaq0UQGthrhWC6pCxzE=
@@ -1149,8 +1151,6 @@ github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAl
 github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro=
 github.com/onsi/gomega v1.31.0 h1:54UJxxj6cPInHS3a35wm6BK/F9nHYueZ1NVujHDrnXE=
 github.com/onsi/gomega v1.31.0/go.mod h1:DW9aCi7U6Yi40wNVAvT6kzFnEVEI5n3DloYBiKiT6zk=
-github.com/open-policy-agent/opa v0.68.0 h1:Jl3U2vXRjwk7JrHmS19U3HZO5qxQRinQbJ2eCJYSqJQ=
-github.com/open-policy-agent/opa v0.68.0/go.mod h1:5E5SvaPwTpwt2WM177I9Z3eT7qUpmOGjk1ZdHs+TZ4w=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQb2IpWsCzug=
diff --git a/reporter/azureblob.go b/reporter/azureblob.go
index dbc8ebb74f..e199539300 100644
--- a/reporter/azureblob.go
+++ b/reporter/azureblob.go
@@ -36,8 +36,7 @@ func (w AzureBlobWriter) Write(rs ...models.ScanResult) (err error) {
 	}
 
 	if w.FormatOneLineText {
-		timestr := rs[0].ScannedAt.Format(time.RFC3339)
-		k := fmt.Sprintf(timestr + "/summary.txt")
+		k := fmt.Sprintf("%s/summary.txt", rs[0].ScannedAt.Format(time.RFC3339))
 		text := formatOneLineSummary(rs...)
 		b := []byte(text)
 		if err := w.createBlockBlob(cli, k, b, w.Gzip); err != nil {
diff --git a/reporter/s3.go b/reporter/s3.go
index d356326c5a..0fdf369fbd 100644
--- a/reporter/s3.go
+++ b/reporter/s3.go
@@ -73,8 +73,7 @@ func (w S3Writer) Write(rs ...models.ScanResult) (err error) {
 	}
 
 	if w.FormatOneLineText {
-		timestr := rs[0].ScannedAt.Format(time.RFC3339)
-		k := fmt.Sprintf(timestr + "/summary.txt")
+		k := fmt.Sprintf("%s/summary.txt", rs[0].ScannedAt.Format(time.RFC3339))
 		text := formatOneLineSummary(rs...)
 		if err := w.putObject(svc, k, []byte(text), w.Gzip); err != nil {
 			return err
diff --git a/scanner/alma.go b/scanner/alma.go
index 0e238ca6ff..154ff585ef 100644
--- a/scanner/alma.go
+++ b/scanner/alma.go
@@ -36,11 +36,11 @@ func (o *alma) checkScanMode() error {
 func (o *alma) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else {
-		return o.execCheckDeps(o.depsDeep())
 	}
+	return o.execCheckDeps(o.depsDeep())
 }
 
 func (o *alma) depsFast() []string {
@@ -70,11 +70,11 @@ func (o *alma) depsDeep() []string {
 func (o *alma) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *alma) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/amazon.go b/scanner/amazon.go
index 8c07a82680..569cc276b2 100644
--- a/scanner/amazon.go
+++ b/scanner/amazon.go
@@ -41,9 +41,11 @@ func (o *amazon) checkScanMode() error {
 func (o *amazon) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else if o.getServerInfo().Mode.IsDeep() {
+	}
+	if o.getServerInfo().Mode.IsDeep() {
 		return o.execCheckDeps(o.depsDeep())
 	}
 	return xerrors.New("Unknown scan mode")
@@ -84,11 +86,11 @@ func (o *amazon) depsDeep() []string {
 func (o *amazon) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *amazon) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/centos.go b/scanner/centos.go
index bb6fb872d4..808cbec1b2 100644
--- a/scanner/centos.go
+++ b/scanner/centos.go
@@ -36,11 +36,11 @@ func (o *centos) checkScanMode() error {
 func (o *centos) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else {
-		return o.execCheckDeps(o.depsDeep())
 	}
+	return o.execCheckDeps(o.depsDeep())
 }
 
 func (o *centos) depsFast() []string {
@@ -70,11 +70,11 @@ func (o *centos) depsDeep() []string {
 func (o *centos) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *centos) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/debian_test.go b/scanner/debian_test.go
index 233e4f2711..df9d682083 100644
--- a/scanner/debian_test.go
+++ b/scanner/debian_test.go
@@ -221,7 +221,7 @@ systemd (228-5) unstable; urgency=medium`,
 		aCveIDs, aPack := d.getCveIDsFromChangelog(tt.in[2], tt.in[0], tt.in[1])
 		if len(aCveIDs) != len(tt.cveIDs) {
 			t.Errorf("[%d] Len of return array aren't same. expected %#v, actual %#v", i, tt.cveIDs, aCveIDs)
-			t.Errorf(pp.Sprintf("%s", tt.in))
+			t.Error(pp.Sprintf("%s", tt.in))
 			continue
 		}
 		for j := range tt.cveIDs {
diff --git a/scanner/fedora.go b/scanner/fedora.go
index d66cce48eb..09f0b59ff5 100644
--- a/scanner/fedora.go
+++ b/scanner/fedora.go
@@ -36,11 +36,11 @@ func (o *fedora) checkScanMode() error {
 func (o *fedora) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else {
-		return o.execCheckDeps(o.depsDeep())
 	}
+	return o.execCheckDeps(o.depsDeep())
 }
 
 func (o *fedora) depsFast() []string {
@@ -68,11 +68,11 @@ func (o *fedora) depsDeep() []string {
 func (o *fedora) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *fedora) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/library.go b/scanner/library.go
index aecbb99201..e564ea82fd 100644
--- a/scanner/library.go
+++ b/scanner/library.go
@@ -12,7 +12,7 @@ import (
 
 func convertLibWithScanner(apps []ftypes.Application) ([]models.LibraryScanner, error) {
 	for i := range apps {
-		apps[i].Packages = lo.Filter(apps[i].Packages, func(lib ftypes.Package, index int) bool {
+		apps[i].Packages = lo.Filter(apps[i].Packages, func(lib ftypes.Package, _ int) bool {
 			return !lib.Dev
 		})
 	}
diff --git a/scanner/oracle.go b/scanner/oracle.go
index d9cb6f7291..66ed267da3 100644
--- a/scanner/oracle.go
+++ b/scanner/oracle.go
@@ -36,11 +36,11 @@ func (o *oracle) checkScanMode() error {
 func (o *oracle) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else {
-		return o.execCheckDeps(o.depsDeep())
 	}
+	return o.execCheckDeps(o.depsDeep())
 }
 
 func (o *oracle) depsFast() []string {
@@ -62,11 +62,11 @@ func (o *oracle) depsDeep() []string {
 func (o *oracle) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *oracle) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/redhatbase.go b/scanner/redhatbase.go
index a302d96454..8b65d67c04 100644
--- a/scanner/redhatbase.go
+++ b/scanner/redhatbase.go
@@ -371,9 +371,8 @@ func (o *redhatBase) execCheckDeps(packNames []string) error {
 	for _, name := range packNames {
 		cmd := "rpm -q " + name
 		if r := o.exec(cmd, noSudo); !r.isSuccess() {
-			msg := fmt.Sprintf("%s is not installed", name)
-			o.log.Errorf(msg)
-			return xerrors.New(msg)
+			o.log.Errorf("%s is not installed", name)
+			return xerrors.Errorf("%s is not installed", name)
 		}
 	}
 	o.log.Infof("Dependencies ... Pass")
diff --git a/scanner/redhatbase_test.go b/scanner/redhatbase_test.go
index be0695a386..2c94845f89 100644
--- a/scanner/redhatbase_test.go
+++ b/scanner/redhatbase_test.go
@@ -740,7 +740,7 @@ func Test_redhatBase_rebootRequired(t *testing.T) {
 				},
 			},
 			args: args{
-				fn: func(s string) execResult {
+				fn: func(_ string) execResult {
 					return execResult{
 						Stdout: `kernel-uek-5.4.17-2102.200.13.el7uek.x86_64   Mon 05 Apr 2021 04:52:06 PM UTC
 	kernel-uek-4.14.35-2047.501.2.el7uek.x86_64   Mon 05 Apr 2021 04:49:39 PM UTC
@@ -763,7 +763,7 @@ func Test_redhatBase_rebootRequired(t *testing.T) {
 				},
 			},
 			args: args{
-				fn: func(s string) execResult {
+				fn: func(_ string) execResult {
 					return execResult{
 						Stdout: `kernel-uek-5.4.17-2102.200.13.el7uek.x86_64   Mon 05 Apr 2021 04:52:06 PM UTC
 	kernel-uek-4.14.35-2047.501.2.el7uek.x86_64   Mon 05 Apr 2021 04:49:39 PM UTC
@@ -786,7 +786,7 @@ func Test_redhatBase_rebootRequired(t *testing.T) {
 				},
 			},
 			args: args{
-				fn: func(s string) execResult {
+				fn: func(_ string) execResult {
 					return execResult{
 						Stdout: `kernel-3.10.0-1160.24.1.el7.x86_64            Mon 26 Apr 2021 10:13:54 AM UTC
 kernel-3.10.0-1062.12.1.el7.x86_64            Sat 29 Feb 2020 12:09:00 PM UTC`,
@@ -808,7 +808,7 @@ kernel-3.10.0-1062.12.1.el7.x86_64            Sat 29 Feb 2020 12:09:00 PM UTC`,
 				},
 			},
 			args: args{
-				fn: func(s string) execResult {
+				fn: func(_ string) execResult {
 					return execResult{
 						Stdout: `kernel-3.10.0-1160.24.1.el7.x86_64            Mon 26 Apr 2021 10:13:54 AM UTC
 kernel-3.10.0-1062.12.1.el7.x86_64            Sat 29 Feb 2020 12:09:00 PM UTC`,
diff --git a/scanner/rhel.go b/scanner/rhel.go
index a56fc17488..dcadf88f37 100644
--- a/scanner/rhel.go
+++ b/scanner/rhel.go
@@ -37,9 +37,11 @@ func (o *rhel) checkScanMode() error {
 func (o *rhel) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else if o.getServerInfo().Mode.IsDeep() {
+	}
+	if o.getServerInfo().Mode.IsDeep() {
 		return o.execCheckDeps(o.depsDeep())
 	}
 	return xerrors.New("Unknown scan mode")
@@ -66,11 +68,11 @@ func (o *rhel) depsDeep() []string {
 func (o *rhel) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *rhel) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/rocky.go b/scanner/rocky.go
index 8ab4058f31..b1123f113b 100644
--- a/scanner/rocky.go
+++ b/scanner/rocky.go
@@ -36,11 +36,11 @@ func (o *rocky) checkScanMode() error {
 func (o *rocky) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else {
-		return o.execCheckDeps(o.depsDeep())
 	}
+	return o.execCheckDeps(o.depsDeep())
 }
 
 func (o *rocky) depsFast() []string {
@@ -70,11 +70,11 @@ func (o *rocky) depsDeep() []string {
 func (o *rocky) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *rocky) sudoNoPasswdCmdsFast() []cmd {
diff --git a/scanner/scanner.go b/scanner/scanner.go
index eb233a5624..9d1385c8c7 100644
--- a/scanner/scanner.go
+++ b/scanner/scanner.go
@@ -836,7 +836,6 @@ func (s Scanner) checkDependencies() {
 	parallelExec(func(o osTypeInterface) error {
 		return o.checkDeps()
 	}, s.TimeoutSec)
-	return
 }
 
 // checkIfSudoNoPasswd checks whether vuls can sudo with nopassword via SSH
@@ -844,7 +843,6 @@ func (s Scanner) checkIfSudoNoPasswd() {
 	parallelExec(func(o osTypeInterface) error {
 		return o.checkIfSudoNoPasswd()
 	}, s.TimeoutSec)
-	return
 }
 
 // detectPlatform detects the platform of each servers.
diff --git a/scanner/suse.go b/scanner/suse.go
index 18d558b0e2..e829271df8 100644
--- a/scanner/suse.go
+++ b/scanner/suse.go
@@ -112,9 +112,11 @@ func (o *suse) checkScanMode() error {
 func (o *suse) checkDeps() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckDeps(o.depsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckDeps(o.depsFastRoot())
-	} else if o.getServerInfo().Mode.IsDeep() {
+	}
+	if o.getServerInfo().Mode.IsDeep() {
 		return o.execCheckDeps(o.depsDeep())
 	}
 	return xerrors.New("Unknown scan mode")
@@ -135,11 +137,11 @@ func (o *suse) depsDeep() []string {
 func (o *suse) checkIfSudoNoPasswd() error {
 	if o.getServerInfo().Mode.IsFast() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFast())
-	} else if o.getServerInfo().Mode.IsFastRoot() {
+	}
+	if o.getServerInfo().Mode.IsFastRoot() {
 		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsFastRoot())
-	} else {
-		return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 	}
+	return o.execCheckIfSudoNoPasswd(o.sudoNoPasswdCmdsDeep())
 }
 
 func (o *suse) sudoNoPasswdCmdsFast() []cmd {
diff --git a/subcmds/discover.go b/subcmds/discover.go
index 75ab56de63..a4e29db16d 100644
--- a/subcmds/discover.go
+++ b/subcmds/discover.go
@@ -43,7 +43,7 @@ func (p *DiscoverCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface
 	logging.Log.Infof("vuls-%s-%s", config.Version, config.Revision)
 	// validate
 	if len(f.Args()) == 0 {
-		logging.Log.Errorf("Usage: " + p.Usage())
+		logging.Log.Errorf("Usage: %s", p.Usage())
 		return subcommands.ExitUsageError
 	}
 
diff --git a/subcmds/server.go b/subcmds/server.go
index e2c46b2a1c..48e4c0fd8f 100644
--- a/subcmds/server.go
+++ b/subcmds/server.go
@@ -121,7 +121,7 @@ func (p *ServerCmd) Execute(_ context.Context, _ *flag.FlagSet, _ ...interface{}
 	http.Handle("/vuls", server.VulsHandler{
 		ToLocalFile: p.toLocalFile,
 	})
-	http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
+	http.HandleFunc("/health", func(w http.ResponseWriter, _ *http.Request) {
 		fmt.Fprintf(w, "ok")
 	})
 	logging.Log.Infof("Listening on %s", p.listen)