diff --git a/requirements.txt b/requirements.txt
index 0cca07d..8316ed1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ mkdocs
 # for develope only
 pytest
 pytest-cov
-flake8==4.0.1
+flake8==6.1.0
 pytest-flake8
 pytest-flakes
 pytest-randomly