diff --git a/requirements.txt b/requirements.txt
index 75c4e31..d6e0929 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 click==6.7
 idna==2.6
 pluggy==0.5.2
-py==1.4.34
+py==1.10.0
 pytest==3.2.3
 requests==2.18.4
 six==1.11.0