diff --git a/requirements.txt b/requirements.txt
index 11bf6cd..9c59549 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ coveralls==1.2.0
 docopt==0.6.2
 idna==2.6
 pluggy==0.6.0
-py==1.5.2
+py==1.10.0
 pytest==3.4.0
 PyYAML==3.12
 requests==2.18.4