diff --git a/requirements/requirements-codestyle.txt b/requirements/requirements-codestyle.txt
index 4e2be24c3..4eb86d2f4 100644
--- a/requirements/requirements-codestyle.txt
+++ b/requirements/requirements-codestyle.txt
@@ -1,3 +1,3 @@
 # PEP8 code linting, which we run on all commits.
-flake8==2.3.0
+flake8==2.4.0
 pep8==1.6.2