diff --git a/requirements.txt b/requirements.txt
index 2f896d9..30a30e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -143,7 +143,7 @@ qtconsole==4.3.1
 QtPy==1.4.1
 requests==2.18.4
 rope==0.10.7
-rsa==3.4.2
+rsa==4.7
 ruamel-yaml==0.15.35
 s3transfer==0.1.13
 scikit-image==0.13.1