diff --git a/.github/workflows/test-sync.yml b/.github/workflows/test-sync.yml
index 2bfda17..b960121 100644
--- a/.github/workflows/test-sync.yml
+++ b/.github/workflows/test-sync.yml
@@ -1,6 +1,10 @@
 name: Sync test
 
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '17 0/3 * * *'
 
 jobs:
   sync-test-ubuntu-tsan: