diff --git a/.github/workflows/update-search.yml b/.github/workflows/update-search.yml
index 71c0549..339a620 100644
--- a/.github/workflows/update-search.yml
+++ b/.github/workflows/update-search.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - name: Create GitHub App token
         id: app-token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@c8f55efbd427e7465d6da1106e7979bc8aaee856 # v1.10.1
         with:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}