diff --git a/requirements.txt b/requirements.txt
index 6edc8e9..fd8e9ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ mccabe==0.6.1
 nose==1.3.7
 packaging==17.1
 pluggy==0.6.0
-py==1.5.3
+py==1.10.0
 pycodestyle==2.3.1
 pyflakes==1.6.0
 Pygments==2.2.0