diff --git a/requirements.txt b/requirements.txt
index a34ab52..df633a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Jinja2==2.10
 MarkupSafe==1.0
 more-itertools==4.3.0
 pluggy==0.7.1
-py==1.5.4
+py==1.10.0
 pytest==3.7.1
 pytest-cov==2.5.1
 requests==2.19.1