diff --git a/src/modules_core/abc/events/on_member_update_abc.py b/src/modules_core/abc/events/on_member_update_abc.py
index fc71ec5..6ca11df 100644
--- a/src/modules_core/abc/events/on_member_update_abc.py
+++ b/src/modules_core/abc/events/on_member_update_abc.py
@@ -1,7 +1,11 @@
 from abc import ABC, abstractmethod
+import discord
 
 
 class OnMemberUpdateABC(ABC):
 
     @abstractmethod
     def __init__(self): pass
+    
+    @abstractmethod
+    async def on_member_update(self, before: discord.Member, after: discord.Member): pass