diff --git a/.github/workflows/check_update.yml b/.github/workflows/check_update.yml
index 19afa5e..ecf827a 100644
--- a/.github/workflows/check_update.yml
+++ b/.github/workflows/check_update.yml
@@ -1,6 +1,8 @@
 name: Check game updates
 
-on: workflow_dispatch
+on:
+  schedule:
+    - cron: '0 23 * * 4'
 
 jobs:
   check: