diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e634940..ea5fe5d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,17 +71,17 @@ jobs:
             RUBY_VERSION=${{ steps.ruby-version.outputs.ruby_version }}
             REVISION=${{ github.sha }}
           context: .
-          push: ${{ github.ref == github.event.repository.default_branch }}
+          push: ${{ github.ref_name == github.event.repository.default_branch }}
           tags: |
             ${{ secrets.AWS_ACCOUNT_ID }}.dkr.ecr.${{ secrets.AWS_REGION }}.amazonaws.com/pipeline:sha-${{ github.sha }}
 
   deploy:
-    if: github.ref == github.event.repository.default_branch
+    if: github.ref_name == github.event.repository.default_branch
     needs:
       - test
       - prepare-app-image
     concurrency:
-      group: deploy-to-production-${{ github.ref }}
+      group: deploy-to-production
       cancel-in-progress: false
     runs-on: ubuntu-latest