diff --git a/requirements.txt b/requirements.txt
index 05a3af9..6bea383 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ fastcache==1.0.2
 fastparquet==0.1.3
 filelock==2.0.12
 Flask==0.12.2
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 ftfy==4.4.3
 future==0.16.0
 gensim==3.2.0