diff --git a/requirements.txt b/requirements.txt
index e0a1eb3..ee7cfef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ mccabe==0.6.1
 more-itertools==4.1.0
 pkginfo==1.4.2
 pluggy==0.6.0
-py==1.5.3
+py==1.10.0
 pylint==1.8.4
 pytest==3.5.1
 python-dateutil==2.7.3