diff --git a/.github/workflows/build-debian-image-beta.yml b/.github/workflows/build-debian-image-beta.yml
index 482849d..37272a3 100644
--- a/.github/workflows/build-debian-image-beta.yml
+++ b/.github/workflows/build-debian-image-beta.yml
@@ -3,8 +3,8 @@ name: Build debian beta
 
 on:
   release:
-    types:
-      - prereleased
+    types: [prereleased]
+  workflow_dispatch:
 
 jobs:
   build-beta-image: