diff --git a/setup.py b/setup.py
index 1d999d2e..be9694df 100755
--- a/setup.py
+++ b/setup.py
@@ -1,12 +1,19 @@
 #!/usr/bin/env python3
 
+import sys
 from distutils.core import setup
+from warnings import warn
 
 from pip.req import parse_requirements
 from setuptools import PackageFinder
 
 from aiogram import Stage, VERSION
 
+MINIMAL_PY_VERSION = (3, 6)
+
+if sys.version_info < MINIMAL_PY_VERSION:
+    warn('aiogram works only with Python {}+'.format('.'.join(map(str, MINIMAL_PY_VERSION)), RuntimeWarning))
+
 
 def get_description():
     """