diff --git a/.forgejo/workflows/update-lock.yml b/.forgejo/workflows/update-lock.yml
index 36514eb..fc34198 100644
--- a/.forgejo/workflows/update-lock.yml
+++ b/.forgejo/workflows/update-lock.yml
@@ -3,7 +3,7 @@ name: Update flake.lock
 on:
   workflow_dispatch:
   schedule:
-    - 0 0 * * 1
+    - cron: 0 0 * * 1
 
 jobs:
   update_flake_lock: