diff --git a/.github/workflows/update-config-files.yml b/.github/workflows/update-config-files.yml
index 87af5004..712a6b7b 100644
--- a/.github/workflows/update-config-files.yml
+++ b/.github/workflows/update-config-files.yml
@@ -2,7 +2,7 @@ name: Update configuration files
 
 on:
   schedule:
-    - cron: '0 3 * * 0'
+    - cron: '0 3 * * 0l
   workflow_dispatch:
 
 jobs: