diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index c5cbf5b03..ae2c93599 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -17,10 +17,10 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: Checkout source code
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # pin@v4.0.1
         with:
           persist-credentials: false
 
       - name: Run ShellCheck
-        run: shellcheck ./scripts/**/*.sh
\ No newline at end of file
+        run: shellcheck ./scripts/**/*.sh