diff --git a/requirements/requirements-codestyle.txt b/requirements/requirements-codestyle.txt
index 8cbd41c50..482deac66 100644
--- a/requirements/requirements-codestyle.txt
+++ b/requirements/requirements-codestyle.txt
@@ -1,7 +1,7 @@
 # PEP8 code linting, which we run on all commits.
-flake8==3.5.0
-flake8-tidy-imports==1.1.0
-pycodestyle==2.3.1
+flake8==3.7.8
+flake8-tidy-imports==3.0.0
+pycodestyle==2.5.0
 
 # Sort and lint imports
-isort==4.3.3
+isort==4.3.21