diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index afeff66..33c90c9 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -17,7 +17,7 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: googleapis/release-please-action@v4
+      - uses: googleapis/release-please-action@16a9c90856f42705d54a6fda1823352bdc62cf38 # v4
         id: release
         with:
           token: ${{secrets.GITHUB_TOKEN}}