diff --git a/backend/python/requirements.txt b/backend/python/requirements.txt
index 722c18e..f6b0a8f 100644
--- a/backend/python/requirements.txt
+++ b/backend/python/requirements.txt
@@ -1,6 +1,6 @@
 flask_restplus==0.12.1
 networkx==2.3
-Flask_Cors==3.0.8
+Flask_Cors==3.0.9
 requests==2.18.4
 Werkzeug==0.15.4
 setuptools==39.0.1