diff --git a/Ref_Projects/SDC-P5-master/requirements.txt b/Ref_Projects/SDC-P5-master/requirements.txt
index 45478cbd4..a5da5c90d 100644
--- a/Ref_Projects/SDC-P5-master/requirements.txt
+++ b/Ref_Projects/SDC-P5-master/requirements.txt
@@ -38,7 +38,7 @@ eventlet==0.19.0
 fastcache==1.0.2
 filelock==2.0.6
 Flask==0.11.1
-Flask-Cors==2.1.2
+Flask-Cors==3.0.9
 Flask-SocketIO==2.8.1
 gevent==1.1.2
 greenlet==0.4.10