diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5216b52..2d0d5c6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v1
 
       - name: Setup gcloud authentication
-        uses: google-github-actions/setup-gcloud@master
+        uses: google-github-actions/setup-gcloud@v0
         with:
           service_account_key: ${{ secrets.GCS }}