diff --git a/.github/workflows/dockerbuild.yml b/.github/workflows/dockerbuild.yml
index d428527..ec7afa6 100644
--- a/.github/workflows/dockerbuild.yml
+++ b/.github/workflows/dockerbuild.yml
@@ -3,6 +3,8 @@ name: ci
 on:
   push:
     branches: main
+  pull_request:
+    branches: main
 
 jobs:
   multi:
@@ -40,7 +42,7 @@ jobs:
           file: ./Dockerfile
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           if: github.event_name != 'pull_request'
-          push: true
+          push: ${{ github.event_name != 'pull_request' && true || false }}
           tags: |
             pgils/python-swiftclient:latest
             pgils/python-swiftclient:${{ steps.tag.outputs.current-version }}