diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4dd0971..0929dd3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 flake8==3.5.0
 mccabe==0.6.1
-pycodestyle==2.3.1
+pycodestyle==2.4.0
 pyflakes==1.6.0
 -r requirements.txt