diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index a823f14..cffe038 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -1,9 +1,8 @@
 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: ['release']
+  release:
+    types: [published]
 
 env:
   REGISTRY: ghcr.io