diff --git a/master/requirements.txt b/master/requirements.txt
index 5ca388e..1391cc1 100644
--- a/master/requirements.txt
+++ b/master/requirements.txt
@@ -84,7 +84,7 @@ quantities==0.12.1
 regex==2017.4.5
 requests==2.18.4
 responses==0.9.0
-rsa==3.4.2
+rsa==4.1
 s3transfer==0.1.12
 scikit-learn==0.19.1
 scipy==1.0.0