diff --git a/PaletteCode/requirements.txt b/PaletteCode/requirements.txt
old mode 100755
new mode 100644
index 04c9de4..e495931
--- a/PaletteCode/requirements.txt
+++ b/PaletteCode/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.0.2
 gunicorn==19.9.0
 pymongo==3.7.2
 flask_socketio==3.3.2
-flask_cors==3.0.7
+flask_cors==3.0.9
 eventlet==0.24.1
 gevent==1.4.0
 gevent-websocket==0.10.1
\ No newline at end of file