diff --git a/requirements_dev.txt b/requirements_dev.txt
index 3d64f42..2ccead5 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==21.3.1
 bumpversion==0.6.0
 wheel==0.37.1
 watchdog==2.1.8
-flake8==4.0.1
+flake8==5.0.1
 tox==3.25.0
 coverage==6.2
 cryptography==35.0.0