diff --git a/setup.py b/setup.py
index 7354bfa..0d0b7a3 100755
--- a/setup.py
+++ b/setup.py
@@ -193,7 +193,7 @@ extras_require = dict(
     nbconvert = ['nbconvert'],
 )
 install_requires = [
-    'setuptools>=18.5'
+    'setuptools>=18.5',
     'decorator',
     'pickleshare',
     'simplegeneric>0.8',