diff --git a/requirements_dev.txt b/requirements_dev.txt
index 08b5655..93c5888 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==23.1.1
 bumpversion==0.6.0
 wheel==0.38.4
 watchdog==3.0.0
-flake8==5.0.4
+flake8==6.1.0
 tox==4.5.0
 coverage==7.2.3
 cryptography==40.0.1