diff --git a/.github/workflows/docker-image-build-publish.yml b/.github/workflows/docker-image-build-publish.yml
index 592c1d2..f249e28 100644
--- a/.github/workflows/docker-image-build-publish.yml
+++ b/.github/workflows/docker-image-build-publish.yml
@@ -3,9 +3,8 @@ name: Create and publish a Docker image
 
 # Configures this workflow to run every time a change is pushed to the branch called `release`.
 on:
-  push:
-    branches:
-      - master
+  release:
+    types: [published]
 # 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:
   REGISTRY: ghcr.io