diff --git a/requirements_dev.txt b/requirements_dev.txt
index c3d401c..2d4ecb2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
 Django==1.9
-py==1.4.31
+py==1.10.0
 pytest==2.8.4
 wheel==0.24.0