diff --git a/requirements_dev.txt b/requirements_dev.txt
index ab0916f..ada2673 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==23.3.1
 bumpversion==0.6.0
 wheel==0.41.3
 watchdog==3.0.0
-flake8==5.0.4
+flake8==6.1.0
 tox==4.5.0
 coverage==7.3.2
 cryptography==41.0.4