diff --git a/.github/workflows/scala-steward.yml b/.github/workflows/scala-steward.yml
index 99d9c97..d81e970 100644
--- a/.github/workflows/scala-steward.yml
+++ b/.github/workflows/scala-steward.yml
@@ -10,7 +10,7 @@ jobs:
     name: Launch Scala Steward
     steps:
       - name: Launch Scala Steward
-        uses: scala-steward-org/scala-steward-action@v2
+        uses: scala-steward-org/scala-steward-action@53d486a68877f4a6d1e110e8058fe21e593db356 # v2.77.0
         with:
           github-app-id: ${{ secrets.SCALA_STEWARD_APP_ID }}
           github-app-installation-id: ${{ secrets.SCALA_STEWARD_INSTALLATION_ID }}