diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3d71ab3..48b84e0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ Jinja2==2.8
 MarkupSafe==0.23
 pluggy==0.3.1
 pre-commit>=0.9.4,<1.0.0
-py==1.4.31
+py==1.10.0
 Pygments==2.1.3
 pylint>=1.3.1,<2.0.0
 pytest-cov==2.4.0