diff --git a/requirements.txt b/requirements.txt
index 7d1aeba..d6b5aeb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ et-xmlfile==1.0.1
 fastcache==1.0.2
 Fiona==1.7.6
 Flask==0.12
-Flask-Cors==3.0.2
+Flask-Cors==3.0.9
 geopy==1.11.0
 gevent==1.2.1
 greenlet==0.4.11