diff --git a/.github/workflows/rustc-pull.yml b/.github/workflows/rustc-pull.yml
index 5bfcf47d7..dc5395a19 100644
--- a/.github/workflows/rustc-pull.yml
+++ b/.github/workflows/rustc-pull.yml
@@ -3,8 +3,8 @@ name: rustc-pull
 on:
   workflow_dispatch:
   schedule:
-    # Run at 04:00 UTC every day
-    - cron: '0 4 * * *'
+    # Run at 04:00 UTC every Monday and Thursday
+    - cron: '0 4 * * 1,4'
 
 jobs:
   pull: