diff --git a/apps/backend/requirements.txt b/apps/backend/requirements.txt
index f7754b5..31a796d 100644
--- a/apps/backend/requirements.txt
+++ b/apps/backend/requirements.txt
@@ -3,7 +3,7 @@ xmltodict==0.12.0
 Flask_Compress==1.4.0
 Flask_SQLAlchemy==2.3.2
 Flask==0.10.1
-Flask_Cors==3.0.6
+Flask_Cors==3.0.9
 pandas==0.22.0
 pyproj==1.9.6
 Werkzeug==0.11.4