diff --git a/requirements.txt b/requirements.txt
index ba32af0..41afc20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask==1.0.2
-flask_cors==3.0.7
+flask_cors==3.0.9
 gunicorn==19.9.0
 requests~=2.10
 nltk==3.2.5