diff --git a/requirements.txt b/requirements.txt
index c791ac9..1d07f4e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Jinja2==2.10
 MarkupSafe==1.0
 more-itertools==4.3.0
 pluggy==0.7.1
-py==1.6.0
+py==1.10.0
 pytest==3.8.0
 pytest-cov==2.6.0
 python-coveralls==2.9.1