diff --git a/.github/.codecov.yml b/.github/.codecov.yml
new file mode 100644
index 00000000..0b3e2618
--- /dev/null
+++ b/.github/.codecov.yml
@@ -0,0 +1,5 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 89% 
\ No newline at end of file
diff --git a/.github/workflows/reusable-build.yml b/.github/workflows/reusable-build.yml
index 9e28463c..5facb6f1 100644
--- a/.github/workflows/reusable-build.yml
+++ b/.github/workflows/reusable-build.yml
@@ -20,8 +20,5 @@ jobs:
           check-latest: true
       - name: Run unit tests
         run: make test
-      - name: Upload coverage report
-        uses: actions/upload-artifact@master
-        with:
-          name: notation-coverage-report-${{ github.sha }}
-          path: .cover/
\ No newline at end of file
+      - name: Upload coverage to codecov.io
+        uses: codecov/codecov-action@v3
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index f8ef0940..53dc08f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,4 @@
 .vscode
 
 # Custom
-.cover/
-.test/
\ No newline at end of file
+coverage.txt
\ No newline at end of file
diff --git a/Makefile b/Makefile
index a85376e5..0afb6a6d 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ all: test
 
 .PHONY: test
 test: check-line-endings ## run unit tests
-	./scripts/test.sh
+	go test -race -v -coverprofile=coverage.txt -covermode=atomic ./...
 
 .PHONY: clean
 clean:
diff --git a/README.md b/README.md
index ffbd94cb..2f1ca888 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # notation-core-go
+
+[![codecov](https://codecov.io/gh/notaryproject/notation-core-go/branch/main/graph/badge.svg)](https://codecov.io/gh/notaryproject/notation-core-go)
+
 Contains support for Notary v2 signature envelope, and format specific implementation
diff --git a/scripts/test.sh b/scripts/test.sh
deleted file mode 100755
index 91431f18..00000000
--- a/scripts/test.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash -ex
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-cd $DIR/../
-
-rm -rf .cover/ .test/
-mkdir .cover/ .test/
-trap "rm -rf .test/" EXIT
-
-export CGO_ENABLED=0
-for pkg in `go list ./...`; do
-    go test -v -covermode=atomic \
-        -coverprofile=".cover/$(echo $pkg | sed 's/\//_/g').cover.out" $pkg
-done
-
-echo "mode: set" > .cover/cover.out && cat .cover/*.cover.out | grep -v mode: | sort -r | \
-   awk '{if($1 != last) {print $0;last=$1}}' >> .cover/cover.out
-
-go tool cover -html=.cover/cover.out -o=.cover/coverage.html