diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 17f9174..8bfa598 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: ci
 
 on:
   schedule:
-    - cron: '0 * * * *' # every hours
+    - cron: '0 */4 * * *' # every 4 hours
   push:
     branches:
       - '**'