diff --git a/requirements.txt b/requirements.txt
index f09e263..b423a1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,7 +73,7 @@ recommonmark==0.4.0
 redis==2.10.6
 requests==2.17.3
 requests-toolbelt==0.8.0
-rsa==3.4.2
+rsa==4.1
 s3transfer==0.1.10
 scandir==1.5
 simplegeneric==0.8.1