diff --git a/.github/workflows/docker_image.yml b/.github/workflows/docker_image.yml
index 6a2925b..f3347de 100644
--- a/.github/workflows/docker_image.yml
+++ b/.github/workflows/docker_image.yml
@@ -1,10 +1,9 @@
 name: Publish Docker image
 
 on:
-  - release:
+  release:
     types: [published]
 
-on:
   workflow_dispatch:
     inputs:
       tags: