diff --git a/.github/workflows/registry_upload.yml b/.github/workflows/registry_upload.yml
index a64c7553..d302072a 100644
--- a/.github/workflows/registry_upload.yml
+++ b/.github/workflows/registry_upload.yml
@@ -5,6 +5,9 @@ name: Create and publish a Docker image
 on:
   push:
     branches: ["main"]
+  pull_request:
+    branches:
+      - main
 
 # Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
 env: