diff --git a/requirements.txt b/requirements.txt
index 965f35f..a29c607 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ python-editor==1.0.3
 python-etcd==0.4.5
 PyYAML==3.12
 requests==2.18.4
-rsa==3.4.2
+rsa==4.1
 six==1.10.0
 SQLAlchemy==1.1.14
 SQLAlchemy-Utils==0.32.16