diff --git a/requirements-dev.txt b/requirements-dev.txt
index 97b2b13..f659bab 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@ jinja2==2.8.1 # via sphinx
 markupsafe==0.23          # via jinja2
 mccabe==0.4.0
 pydocstyle==1.1.1
-pep8-naming==0.3.3
+pep8-naming==0.4.1
 pep8==1.7.0               # via flake8
 py==1.4.32 # via pytest
 pyenchant==1.6.8