diff --git a/api/requirements.txt b/api/requirements.txt
index 3f000c2..1e34af0 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -7,7 +7,7 @@ enum34==1.1.6
 eventlet==0.21.0
 flasgger==0.6.3
 Flask==0.12.2
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 funcsigs==1.0.2
 functools32==3.2.3.post2
 greenlet==0.4.12