diff --git a/setup.py b/setup.py
index f202a2b..6fd5c0b 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 test_requirements = [
     "pytest>=3",
     "isort==5.10.1",
-    "pycodestyle==2.8.0",
+    "pycodestyle==2.9.0",
     "mypy==0.942",
 ]