diff --git a/requirements.txt b/requirements.txt
index ec15e10..f0cc994 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ pyparsing==2.0.1
 python-dateutil==1.5
 pytz==2013.7
 requests==2.5.0
-rsa==3.2
+rsa==4.7
 scipy==0.13.0b1
 selenium==2.47.1
 simplejson==3.8.0