diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index da356c3..ab0381f 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -24,7 +24,7 @@ jobs:
       name: 'Authenticate to Google Cloud'
       uses: 'google-github-actions/auth@v2'
       with:
-        credentials_json: '${{ secrets.GCP_SA_KEY }}'
+        credentials_json: ${{ secrets.GCP_SA_KEY }}
 
     - name: 'Set up Cloud SDK'
       uses: 'google-github-actions/setup-gcloud@v2'