diff --git a/requirements.txt b/requirements.txt
index 7ba9a00..a62995e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ paramiko==2.0.9
 photutils==0.4
 Pillow==3.1.0
 pluggy==0.6.0
-py==1.5.2
+py==1.10.0
 pycparser==2.17
 pycrypto==2.6.1
 pyparsing==2.1.0