diff --git a/requirements-dev.txt b/requirements-dev.txt
index a16b484..485a33f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 coverage
 mock
 nose
-pycodestyle==2.5.0
+pycodestyle==2.6.0
 pyflakes==2.2.0
 readme_renderer[md]==26.0
 requests_mock