diff --git a/setup.py b/setup.py
index 89465f2..29e3b62 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
     ]
 else:
     _install_requires = [
-        'astroid>=1.4',
+        'astroid>=1.4,<2.0',
     ]
 
 setup(