diff --git a/requirements.txt b/requirements.txt
index 4af5f86..8a5eafa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ idna==2.5
 itsdangerous==0.24
 Jinja2==2.9.6
 MarkupSafe==1.0
-py==1.4.34
+py==1.10.0
 pytest==3.1.3
 pytest-flask==0.10.0
 requests==2.18.1