diff --git a/requirements.txt b/requirements.txt
index a884847..8ce455b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ MarkupSafe==0.23
 nose==1.3.7
 numpy==1.11.0
 pandas==0.18.0
-py==1.4.31
+py==1.10.0
 PyQt5==5.6
 pytest==2.9.1
 python-dateutil==2.5.2