diff --git a/requirements.txt b/requirements.txt
index 7a82a312..755bf44e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ lazy-object-proxy==1.3.1
 mccabe==0.6.1
 more-itertools==4.3.0
 pluggy==0.7.1
-py==1.5.4
+py==1.10.0
 pylint==2.1.1
 pytest==3.7.2
 six==1.11.0