diff --git a/requirements_dev.txt b/requirements_dev.txt
index 8598399..408a88c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ respx==0.19.2
 # Linting & QA
 black==22.6.0
 check-manifest==0.48
-flake8==4.0.1
+flake8==6.0.0
 isort==5.10.1
 mypy==0.961
 pre-commit==2.20.0