diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index f66d9894..f0f566ad 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -1,8 +1,8 @@
 name: Publish Docker image
 
 on:
-  push:
-    branches: [ 'master' ]
+  release:
+    types: [published]
 
 jobs:
   push_to_registry: