diff --git a/.github/workflows/build-images.yml b/.github/workflows/build-images.yml
index bc2b25e..124cf25 100644
--- a/.github/workflows/build-images.yml
+++ b/.github/workflows/build-images.yml
@@ -1,6 +1,8 @@
 name: Build and release images
 
-on: push
+on:
+  - push
+  - pull_request
 
 concurrency: build-${{ github.sha }}