diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5e792f0..f7c8da3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -13,7 +13,7 @@ nodeenv==1.3.3
 pathlib2==2.3.2
 pluggy==0.8.0
 pre-commit==1.12.0
-py==1.7.0
+py==1.10.0
 pytest==3.10.0
 PyYAML==3.13
 requirements-tools==1.2.0