diff --git a/requirements.txt b/requirements.txt
index 90dfcad..93b68cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ itsdangerous==0.24
 jsmin==2.2.1
 mccabe==0.5.0
 pep8==1.7.0
-py==1.4.31
+py==1.10.0
 pyflakes==1.2.3
 pytest==2.9.2
 webassets==0.11.1