diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9fa6f6a..d682b34 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -117,13 +117,11 @@ jobs:
           - module: v2
             path: v2
 
-    defaults:
-      run:
-        working-directory: ${{ matrix.path }}
-
     steps:
     - name: Checkout code
       uses: actions/checkout@v4
+      with:
+        ref: ${{ github.head_ref }}
 
     - name: Set up Go
       uses: actions/setup-go@v4
@@ -141,12 +139,15 @@ jobs:
           ubuntu-latest-go-1.24-
 
     - name: Download dependencies
+      working-directory: ${{ matrix.path }}
       run: go mod download
 
     - name: Run tests with coverage
+      working-directory: ${{ matrix.path }}
       run: go test -coverprofile=coverage.out ./...
 
     - name: Calculate coverage
+      working-directory: ${{ matrix.path }}
       run: |
         COVERAGE=$(go tool cover -func=coverage.out | grep total | awk '{print substr($3, 1, length($3)-1)}')
         echo "Coverage: $COVERAGE%"
@@ -163,17 +164,41 @@ jobs:
         fi
 
     - name: Generate coverage report
+      working-directory: ${{ matrix.path }}
       run: go tool cover -html=coverage.out -o coverage.html
 
     - name: Upload coverage report
       uses: actions/upload-artifact@v4
       with:
-        name: coverage-report
+        name: coverage-report-${{ matrix.module }}
         path: |
-          coverage.out
-          coverage.html
+          ${{ matrix.path }}/coverage.out
+          ${{ matrix.path }}/coverage.html
+
+    - name: Go Coverage Badge  # Pass the `coverage.out` output to this action
+      if: matrix.module == 'v2'
+      uses: tj-actions/coverage-badge-go@v2
+      with:
+        value: $COVERAGE
+
+    - name: Verify Changed files
+      if: matrix.module == 'v2'
+      uses: tj-actions/verify-changed-files@v16
+      id: verify-changed-files
+      with:
+        files: README.md
+
+    - name: Commit and push changes
+      if: matrix.module == 'v2' && steps.verify-changed-files.outputs.files_changed == 'true'
+      run: |
+        git config --local user.email "action@github.com"
+        git config --local user.name "GitHub Action"
+        git add README.md
+        git commit -m "chore: Updated coverage badge."
+        git push
 
     - name: Add coverage to PR comment
+      working-directory: ${{ matrix.path }}
       if: github.event_name == 'pull_request'
       run: |
         COVERAGE=$(go tool cover -func=coverage.out | grep total | awk '{print substr($3, 1, length($3)-1)}')
diff --git a/README.md b/README.md
index b6c90db..ae9ee85 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Mentioned in Awesome Go](https://awesome.re/mentioned-badge.svg)](https://github.com/avelino/awesome-go)
 [![CI](https://github.com/floatdrop/debounce/actions/workflows/ci.yaml/badge.svg)](https://github.com/floatdrop/debounce/actions/workflows/ci.yaml)
+![Coverage](https://img.shields.io/badge/Coverage-100.0-brightgreen)
 [![Go Report Card](https://goreportcard.com/badge/github.com/floatdrop/debounce)](https://goreportcard.com/report/github.com/floatdrop/debounce)
 [![Go Reference](https://pkg.go.dev/badge/github.com/floatdrop/debounce/v2.svg)](https://pkg.go.dev/github.com/floatdrop/debounce/v2)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)