diff --git a/requirements.txt b/requirements.txt
index 0656914..b2e81c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ idna==2.5
 lxml==3.8.0
 multidict==3.1.3
 namedlist==1.7
-py==1.4.34
+py==1.10.0
 pytest==3.1.3
 pytest-xdist==1.18.2
 requests==2.18.3