diff --git a/requirements.txt b/requirements.txt
index 9d6e1e52..0effaf56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ isort==4.3.4
 mccabe==0.6.1
 more-itertools==4.1.0
 pluggy==0.6.0
-py==1.5.3
+py==1.10.0
 pycodestyle==2.3.1
 pyflakes==1.6.0
 pytest==3.5.1