diff --git a/.github/auto_assign.yml b/.github/auto_assign.yml
index f594297..f78af95 100644
--- a/.github/auto_assign.yml
+++ b/.github/auto_assign.yml
@@ -8,11 +8,22 @@ reviewers:
   - wonill
   - kimjuyoung99
 
-numberOfReviewers: 3
+numberOfReviewers: 2  # requiredReviewers를 제외한 추가 리뷰어 수
 
 requiredReviewers:
   - saseungmin
 
+useReviewGroups: true  # 리뷰 그룹 사용 활성화
+
+reviewGroups:
+  required:
+    - saseungmin
+  optional:
+    - ruehan
+    - shlee9999
+    - wonill
+    - kimjuyoung99
+
 skipKeywords:
   - wip