diff --git a/requirements/dev.txt b/requirements/dev.txt
index f46beb3bf7..c09593f788 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,7 +1,7 @@
 -r optional.txt
 
 black==20.8b1
-flake8==3.8.4
+flake8==6.0.0
 flake8-black==0.2.1
 flake8-breakpoint==1.1.0
 flake8-isort==4.0.0