diff --git a/requirements_dev.txt b/requirements_dev.txt
index b599fe0..8b59cf2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==22.3
 bumpversion==0.6.0
 wheel==0.37.1
 watchdog==2.1.9
-flake8==5.0.1
+flake8==5.0.4
 tox==3.26.0
 coverage==6.5.0
 cryptography==35.0.0