diff --git a/.github/workflows/tarballs.yml b/.github/workflows/tarballs.yml
index 9f8456cf62..08bd6c8063 100644
--- a/.github/workflows/tarballs.yml
+++ b/.github/workflows/tarballs.yml
@@ -23,12 +23,13 @@ jobs:
           name: ${{ secrets.CACHIX_NAME }}
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
 
-      - uses: google-github-actions/setup-gcloud@v0.2.0
+      - uses: google-github-actions/auth@v1
+        with:
+          credentials_json: ${{ secrets.GCP_CREDENTIALS }}
+
+      - uses: google-github-actions/setup-gcloud@v1
         with:
-          version: '290.0.1'
-          service_account_key: ${{ secrets.GCS_SERVICE_ACCOUNT_KEY }}
           project_id: ${{ secrets.GCS_PROJECT }}
-          export_default_credentials: true
 
       - run: nix-build -A tarball --arg enableStatic true