diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 4e554eda..e538a463 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -58,6 +58,8 @@ jobs:
   deploy_docker:
     runs-on: ubuntu-latest
     needs: [deploy]
+    if: |
+      !(contains(github.ref, "a") || contains(github.ref, "b"))
     steps:
     - uses: actions/checkout@v2
     - name: Build and push to Docker Hub