diff --git a/requirements.txt b/requirements.txt
index 6d3465d..e9d7d1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ bottle==0.12.13
 certifi==2017.4.17
 chardet==3.0.4
 idna==2.5
-py==1.4.34
+py==1.10.0
 pytest==3.1.3
 python-mimeparse==1.6.0
 requests==2.18.1