diff --git a/.github/workflows/release_builds.yml b/.github/workflows/release_builds.yml
index 5c6807bd3..eb2457536 100644
--- a/.github/workflows/release_builds.yml
+++ b/.github/workflows/release_builds.yml
@@ -1,7 +1,7 @@
 name: Build docker containers on version release
 
 on:
-  workflow_dispatch
+  workflow_dispatch:
   push:
     tags: [ v* ]