diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5e1f2a8..14b1c4d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ pre-commit==1.12.0
 bumpversion==0.5.3
 wheel==0.38.4
 watchdog==0.8.3
-flake8==3.5.0
+flake8==6.1.0
 tox==2.9.1
 coverage==5.5
 Sphinx==3.0.4