diff --git a/requirements.txt b/requirements.txt
index 5f746e5..6a5d116 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Jinja2==2.8.1
 jmespath==0.9.0
 MarkupSafe==0.23
 moto==0.4.30
-py==1.4.32
+py==1.10.0
 pytest==3.0.5
 python-dateutil==2.6.0
 pytz==2016.10