diff --git a/requirements.txt b/requirements.txt
index 48a2309..86ff2e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ PyJWT==1.4.2
 pyparsing==2.2.0
 pytz==2016.10
 requests==2.12.3
-rsa==3.4.2
+rsa==4.7
 six==1.10.0
 Werkzeug==0.11.11
 yelp==1.0.2