diff --git a/matrix_appservice_kakaotalk/puppet.py b/matrix_appservice_kakaotalk/puppet.py
index f26ebbc..deba6c5 100644
--- a/matrix_appservice_kakaotalk/puppet.py
+++ b/matrix_appservice_kakaotalk/puppet.py
@@ -148,26 +148,26 @@ class Puppet(DBPuppet, BasePuppet):
 
     # region User info updating
 
-    async def update_info_from_participant(
+    def update_info_from_participant(
         self,
         source: u.User,
         info: UserInfoUnion,
         update_avatar: bool = True,
-    ) -> Puppet:
-        await self._update_info(
+    ) -> Awaitable[Puppet]:
+        return self._update_info(
             source,
             info.nickname,
             info.profileURL,
             update_avatar
         )
 
-    async def update_info_from_friend(
+    def update_info_from_friend(
         self,
         source: u.User,
         info: FriendStruct,
         update_avatar: bool = True,
-    ) -> Puppet:
-        await self._update_info(
+    ) -> Awaitable[Puppet]:
+        return self._update_info(
             source,
             info.nickName,
             info.profileImageUrl,