diff --git a/setup.py b/setup.py
index ff4448c..4c925d4 100644
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@ setup(
         'dev': [
             'nose==1.3.7',
             'coveralls==2.1.2',
-            'flake8==3.8.3'
+            'flake8==3.8.4'
         ]
     },
     zip_safe=False