diff --git a/requirements.txt b/requirements.txt
index cd1ebb8..bb5ede0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 docutils==0.14
-flake8==3.6.0
+flake8==6.0.0
 isort==4.3.4
 mypy==0.650
 Pygments==2.3.0