diff --git a/sample1/requirements.txt b/sample1/requirements.txt
index ec8de5d..2fdc283 100644
--- a/sample1/requirements.txt
+++ b/sample1/requirements.txt
@@ -2,5 +2,5 @@ celery==4.1.0
 celery[redis]
 redis==2.10.6
 Flask==0.12
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 flower==0.9.2