diff --git a/.github/workflows/appengine_deploy.yml b/.github/workflows/appengine_deploy.yml
index 6ea1b0daf..a72ddecd3 100644
--- a/.github/workflows/appengine_deploy.yml
+++ b/.github/workflows/appengine_deploy.yml
@@ -42,7 +42,7 @@ jobs:
           path: _deploy/
 
       - name: Deploy to App Engine
-        uses: google-github-actions/deploy-appengine@v0.8.2
+        uses: google-github-actions/deploy-appengine@v1.0.0
         # For parameters see:
         # https://github.com/google-github-actions/deploy-appengine#inputs
         with: