diff --git a/.github/workflows/create-summary-quarter.yml b/.github/workflows/create-summary-quarter.yml
index d52cdf8..233dec3 100644
--- a/.github/workflows/create-summary-quarter.yml
+++ b/.github/workflows/create-summary-quarter.yml
@@ -2,7 +2,7 @@ name: Create Summary (Quarter)
 
 on:
   schedule:
-  - cron: '0 8 1 * *'
+  - cron: '0 8 1 */3 *'
   workflow_dispatch:
     inputs:
       year: