diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ccf0964..a7d7568 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,6 +42,6 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v3
         with:
-          push: true
+          push: ${{ github.ref == 'refs/heads/main' }}
           tags: streamr/stream-metrics-index:latest
           platforms: linux/amd64,linux/arm64