diff --git a/dev_requirements.txt b/dev_requirements.txt
index 891c6db..dfc29f2 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -25,7 +25,7 @@ mypy-extensions==0.4.3
 packaging==20.4
 pathspec==0.8.0
 pluggy==0.13.1
-py==1.9.0
+py==1.10.0
 pycodestyle==2.6.0
 pyflakes==2.2.0
 pyparsing==2.4.7