diff --git a/demo.py b/demo.py
index f409ffe..e692bec 100644
--- a/demo.py
+++ b/demo.py
@@ -2,6 +2,7 @@ import json
 import logging
 import os
 import threading
+import platform
 import time
 import traceback
 from base64 import b64decode, b64encode
@@ -11,6 +12,11 @@ import datetime
 
 from rich.logging import RichHandler
 
+minor_version = int(platform.python_version().split('.')[1]) 
+  
+ if minor_version < 10 or minor_version > 11: 
+     raise Exception(f"Incompatible Python version '{platform.python_version()}'")
+
 import apns
 import ids
 import imessage