diff --git a/setup.cfg b/setup.cfg
index eb7a44b..a9a04ad 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,7 +16,7 @@ test =
 # Used inside tox for linting
 lint =
     black==20.8b1
-    flake8==3.9.2
+    flake8==4.0.1
     flake8-bugbear==21.4.3
     flake8-comprehensions==3.5.0
     flake8-docstrings==1.6.0