diff --git a/users/serializers.py b/users/serializers.py
index 17c363e..75a87f0 100644
--- a/users/serializers.py
+++ b/users/serializers.py
@@ -27,6 +27,7 @@ class CustomTokenObtainPairSerializer(TokenObtainPairSerializer):
         token["name"] = user.name
         token["grade"] = user.grade
         token["email"] = user.email  # 선택적으로 추가 가능
+        token["sub"] = user.email  # 선택적으로 추가 가능
 
         # Kong JWT 플러그인용 issuer 정보 추가
         token["iss"] = "msa-user"
diff --git a/version b/version
index 71ad83c..42ed266 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-v0.0.13
\ No newline at end of file
+v0.0.13_r1
\ No newline at end of file