diff --git a/requirements.txt b/requirements.txt
index a4efd4c..b80a4ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ myst-parser==0.18.0
 sphinx-favicon==0.2
 furo==2022.6.21
 sphinxnotes-strike==1.1
-pycodestyle==2.8.0
+pycodestyle==2.9.1
 attrs==21.4.0