diff --git a/aiogram/__init__.py b/aiogram/__init__.py
index 169eed5f..415abb78 100644
--- a/aiogram/__init__.py
+++ b/aiogram/__init__.py
@@ -1,3 +1,8 @@
+import sys
+if sys.version_info < (3, 7):
+    raise ImportError('Your Python version {0} is not supported by aiogram, please install '
+                      'Python 3.7+'.format('.'.join(map(str, sys.version_info[:3]))))
+
 import asyncio
 import os