diff --git a/requirements.txt b/requirements.txt
index 2ebaee8..4d220ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Jinja2==2.10
 Mako==1.0.7
 MarkupSafe==1.0
 pluggy==0.6.0
-py==1.5.2
+py==1.10.0
 pytest==3.3.2
 python-dateutil==2.6.1
 python-editor==1.0.3