diff --git a/ClientServerTest/flaskapp/requirements.txt b/ClientServerTest/flaskapp/requirements.txt
index 3dcc092..2930321 100644
--- a/ClientServerTest/flaskapp/requirements.txt
+++ b/ClientServerTest/flaskapp/requirements.txt
@@ -38,7 +38,7 @@ python-dateutil==2.8.0
 pytz==2019.3
 PyYAML==3.13
 requests==2.20.1
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.2.1
 scikit-learn==0.22
 scipy==1.3.3