diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 70b6fe1..7a2dc7d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -96,3 +96,20 @@ jobs:
           github-token: ${{ secrets.github_token }}
           version-file: 'test-file.toml'
           version-path: 'package.version'
+
+  multiple-files:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          path: "./"
+
+      - name: Generate changelog
+        id: changelog
+        uses: ./
+        env:
+          ENV: 'dont-use-git'
+        with:
+          github-token: ${{ secrets.github_token }}
+          version-file: 'package.json, package-lock.json'
diff --git a/README.md b/README.md
index c02b018..a953106 100644
--- a/README.md
+++ b/README.md
@@ -172,6 +172,9 @@ $ act -j test-toml -P ubuntu-latest=nektos/act-environments-ubuntu:18.04 -s gith
 
 # To run pre-commit test
 $ act -j test-pre-commit -P ubuntu-latest=nektos/act-environments-ubuntu:18.04 -s github_token=fake-token
+
+# To run / multiple files test
+$ act -j multiple-files -P ubuntu-latest=nektos/act-environments-ubuntu:18.04 -s github_token=fake-token
 ```
 
 ## [License](./LICENSE)