diff --git a/.github/workflows/sync_python_deps.yml b/.github/workflows/sync_python_deps.yml
index 45ebe1d..221942b 100644
--- a/.github/workflows/sync_python_deps.yml
+++ b/.github/workflows/sync_python_deps.yml
@@ -4,7 +4,7 @@ name: Update Python dependencies with PDM
 
 on:
   schedule:
-    - cron: "0 12 * * *"
+    - cron: "0 12 * * SAT"
   workflow_dispatch:
 
 permissions: