diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 817fda4..a957289 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       PACKAGECLOUD_TOKEN: ${{ secrets.PACKAGECLOUD_TOKEN }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: make version
         run: |
           make version .env.docker
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 49b45a3..b9ef443 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 4d9ad73..ea33a04 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Clone
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run hadolint
         uses: hadolint/hadolint-action@54c9adbab1582c2ef04b2016b760714a4bfde3cf
         # v1.5.0 => c27bd9edc1e95eed30474db8f295ff5807ebca14
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Clone
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run markdown-lint
         uses: avto-dev/markdown-lint@04d43ee9191307b50935a753da3b775ab695eceb
         # v1.5.0 => 04d43ee9191307b50935a753da3b775ab695eceb
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Clone
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run shellcheck
         uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38
         # 1.1.0 => 94e0aab03ca135d11a35e5bfc14e6746dc56e7e9
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Clone
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run shfmt
         uses: luizm/action-sh-checker@76ab0b22e1f194e4a582edc7969df6485c4e9246
         # v0.3.0 => 7f44869033b40ee4ffe7dc76c87a1bc66e3d025a
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Clone
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Run yamllint
         uses: ibiqlik/action-yamllint@2576378a8e339169678f9939646ee3ee325e845c
         # v3.0.2 => c19bd0523a9011c3a3960fe6640a0882b59af15d