diff --git a/.github/workflows/update_readme.yml b/.github/workflows/update_readme.yml
index 786c72b..b84d3a7 100644
--- a/.github/workflows/update_readme.yml
+++ b/.github/workflows/update_readme.yml
@@ -1,7 +1,7 @@
 name: update readme
 on: 
   schedule:
-    - cron: '0 12 */7 * *'
+    - cron: '0 12 * * 0'
 run-name:  update readme
 jobs:
   update-readme: