diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index 5bb2701..6b5e768 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -3,6 +3,8 @@ name: Build startup image
 on:
   push:
     branches: [ master ]
+  schedule:
+    - cron: '0 0 * * 0'
 
 env:
   # Use docker.io for Docker Hub if empty