diff --git a/requirements.txt b/requirements.txt
index 18be080..e13e8dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.1.1
 pubnub==4.1.6
 requests==2.22.0
 cryptography==2.7
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9