diff --git a/src/main/java/com/meetkey/server/domain/auth/service/AuthService.java b/src/main/java/com/meetkey/server/domain/auth/service/AuthService.java
index dd09f88..2dd9712 100644
--- a/src/main/java/com/meetkey/server/domain/auth/service/AuthService.java
+++ b/src/main/java/com/meetkey/server/domain/auth/service/AuthService.java
@@ -42,7 +42,7 @@ public class AuthService {
     private final KakaoOauthClient kakaoOauthClient;
     private final AppleOauthClient appleClient;
 
-    private BadgeRepository badgeRepository;
+    private final BadgeRepository badgeRepository;
 
     private final OauthOidcHelper oAuthOIDCHelper;
     private final JwtUtil jwtUtil;