diff --git a/requirements.txt b/requirements.txt
index e11c9da38..89dba961d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ binaryornot==0.4.4
 
 # Testing
 pytest==3.2.2
-pep8==1.7.0
+pycodestyle==2.3.1
 pyflakes==1.6.0
 tox==2.8.2
 pytest-cookies==0.2.0