diff --git a/requirements.txt b/requirements.txt
index 82468c0..707c942 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ itsdangerous==0.24
 Jinja2==2.9.5
 MarkupSafe==1.0
 packaging==16.8
-py==1.4.33
+py==1.10.0
 pyparsing==2.2.0
 pytest==3.0.7
 six==1.10.0