diff --git a/requirements.txt b/requirements.txt
index 8bc47eb..4174032 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ flake8==3.3.0
 mccabe==0.6.1
 packaging==16.8
 pluggy==0.4.0
-py==1.4.32
+py==1.10.0
 pycodestyle==2.3.1
 pyflakes==1.5.0
 pyparsing==2.1.10