diff --git a/TreeViz/requirements.txt b/TreeViz/requirements.txt
index e82c1c7..39596b7 100644
--- a/TreeViz/requirements.txt
+++ b/TreeViz/requirements.txt
@@ -90,7 +90,7 @@ pyzmq==14.7.0
 qtconsole==4.0.1
 reportlab==3.0
 requests==2.7.0
-rsa==3.1.4
+rsa==4.7
 scikit-learn==0.14.1
 scipy==0.13.3
 scp==0.10.2