diff --git a/.github/workflows/deploy_to_gcp.yml b/.github/workflows/deploy_to_gcp.yml
index c955af1..bad81f7 100644
--- a/.github/workflows/deploy_to_gcp.yml
+++ b/.github/workflows/deploy_to_gcp.yml
@@ -17,6 +17,7 @@ jobs:
       REPO_NAME: ${{ github.repository }}
       HASH_SUFFIX: ${{ github.sha }}
       JOB_NAME: ${{ vars.JOB_NAME }}
+      BRANCH_NAME: ${{ github.ref_name }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v3