diff --git a/.github/workflows/wpf-ui-lock.yml b/.github/workflows/wpf-ui-lock.yml
index e47736a27..3cd32bf28 100644
--- a/.github/workflows/wpf-ui-lock.yml
+++ b/.github/workflows/wpf-ui-lock.yml
@@ -2,7 +2,7 @@ name: wpf-ui-lock
 
 on:
   schedule:
-    - cron: '0 * * * *'
+    - cron: '0 0 * * 0'
   workflow_dispatch:
 
 permissions: