diff --git a/requirements.txt b/requirements.txt
index 2ac5d3f3dc..589fed472d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-py==1.4.12
+py==1.11.0
 pytest==2.3.4
 pytest-cov==1.6
 wheel