diff --git a/requirements/dev.txt b/requirements/dev.txt
index 20d5b51..2d73d52 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,3 +1,3 @@
-flake8==3.9.2
+flake8==4.0.1
 black==21.9b0
 isort==5.9.3