diff --git a/requirements.txt b/requirements.txt
index 6faba83..d902a46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ more-itertools==7.0.0
 mypy==0.701
 mypy-extensions==0.4.1
 pluggy==0.9.0
-py==1.8.0
+py==1.11.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
 pylint==2.3.1