diff --git a/requirements.txt b/requirements.txt
index 7b6b078..224687d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ flake8-quotes==0.2.4
 mccabe==0.4.0
 nose==1.3.7
 pluggy==0.3.1
-py==1.4.31
+py==1.10.0
 pep257==0.7.0
 pep8==1.7.0
 pep8-naming==0.3.3