diff --git a/.github/workflows/_deployment.yaml b/.github/workflows/_deployment.yaml
index 1e1be5d..8694fda 100644
--- a/.github/workflows/_deployment.yaml
+++ b/.github/workflows/_deployment.yaml
@@ -130,10 +130,10 @@ jobs:
       - name: Create Service ${{ inputs.environment }} Declaration   
         if: inputs.environment == 'dev' || inputs.environment == 'qa'
         run: |-
-          export CONTAINER_IMAGE="${{ vars.region }}-docker.pkg.dev/${{ vars.gcp_project_id }}/${{ vars.artifact_registry_repo }}/${{ vars.service_name }}:${{ github.ref }}"
+          export CONTAINER_IMAGE="${{ vars.region }}-docker.pkg.dev/${{ vars.gcp_project_id }}/${{ vars.artifact_registry_repo }}/${{ vars.service_name }}:${{ github.sha }}"
           export SERVICE_NAME="${{ vars.service_name }}"
           export PROJECT_ID="${{ vars.gcp_project_id }}"
-          export REVISION_TAG="${{ github.ref }}"
+          export REVISION_TAG="${{ github.sha }}"
           export CLOUD_RUN_SA="${{ vars.cloud_run_sa }}"
           export REGION="${{ vars.region }}"
           export APP_CODE="${{ vars.app_code }}"