diff --git a/piezo_web_app/requirements.txt b/piezo_web_app/requirements.txt
index 57ac49b..b95b5ba 100644
--- a/piezo_web_app/requirements.txt
+++ b/piezo_web_app/requirements.txt
@@ -43,7 +43,7 @@ python-dateutil==2.8.0
 PyYAML==5.1
 requests==2.21.0
 requests-oauthlib==1.2.0
-rsa==4.0
+rsa==4.7
 six==1.12.0
 tornado==4.5.3
 Tornado-JSON==1.3.3