diff --git a/requirements.txt b/requirements.txt
index 5f16dee..0cd3f42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ nose==1.3.7
 pkginfo==1.4.1
 pluggy==0.6.0
 psutil==5.6.6
-py==1.5.2
+py==1.10.0
 pycodestyle==2.3.1
 pytest==3.4.1
 python-dateutil==2.7.1