diff --git a/requirements.txt b/requirements.txt
index 6d271e4..b7ba505 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ funcsigs==1.0.2
 libfaketime==0.5.0
 mock==2.0.0
 pbr==1.10.0
-py==1.4.31
+py==1.10.0
 pytest==2.9.2
 python-dateutil==2.5.3
 requests==2.11.0