diff --git a/requirements.txt b/requirements.txt
index 4c3ed7a..c64e7f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ Jinja2==2.10
 MarkupSafe==1.0
 mccabe==0.6.1
 pluggy==0.6.0
-py==1.5.2
+py==1.10.0
 pycodestyle==2.3.1
 pycparser==2.18
 pyflakes==1.6.0