diff --git a/websocket_server/requirements.txt b/websocket_server/requirements.txt
index d343437..6fa9c84 100644
--- a/websocket_server/requirements.txt
+++ b/websocket_server/requirements.txt
@@ -32,7 +32,7 @@ python-socketio==4.5.1
 pytz==2020.1
 requests==2.23.0
 requests-oauthlib==1.3.0
-rsa==4.0
+rsa==4.7
 six==1.14.0
 uritemplate==3.0.1
 urllib3==1.25.9