diff --git a/requirements.txt b/requirements.txt
index abcbc5f..3972bf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ coverage==4.5.1
 flake8==3.5.0
 mccabe==0.6.1
 pluggy==0.6.0
-py==1.7.0
+py==1.10.0
 pycodestyle==2.3.1
 pyflakes==1.6.0
 pytest==3.4.2