diff --git a/requirements.txt b/requirements.txt
index 8bff781..f0b29ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ python-dateutil==2.6.0
 pytz==2017.2
 requests==2.11.1
 requests-mock==1.3.0
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.1.10
 schedule==0.4.2
 simplejson==3.10.0