diff --git a/text-similarity/requirements.txt b/text-similarity/requirements.txt
index 05e80d0..e411a51 100644
--- a/text-similarity/requirements.txt
+++ b/text-similarity/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.11.1 
 cloudant==2.4.0 
 flasgger==0.6.4 
-Flask-Cors==3.0.2 
+Flask-Cors==3.0.9 
 Flask-RESTful==0.3.6 
 flask-restplus==0.9.2 
 gevent==1.2.1
\ No newline at end of file