diff --git a/requirements.txt b/requirements.txt
index 4ba8153..ad027a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ python-dateutil==2.8.1
 pytz==2019.3
 PyYAML==5.2
 requests==2.22.0
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.3.2
 six==1.14.0
 slackweb==1.0.5