diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index b7168a7..fc3bb3d 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -21,7 +21,7 @@ jobs:
 
       - name: Authenticate with Google Cloud
         run: |
-          echo "${{ secrets.GKE_SECRET_CPS }}" > gcp-sa-key.json
+          echo "${{ secrets.GKE_SECRET_CPS }}" | base64 --decode > gcp-sa-key.json
           cat gcp-sa-key.json
           gcloud auth activate-service-account --key-file=gcp-sa-key.json
         env: