diff --git a/blockchain_datacraw/requirements.txt b/blockchain_datacraw/requirements.txt
index afaa133..3eb9a1f 100644
--- a/blockchain_datacraw/requirements.txt
+++ b/blockchain_datacraw/requirements.txt
@@ -40,7 +40,7 @@ fastcache==1.0.2
 ffmpeg==1.2.1
 filelock==3.0.4
 Flask==1.0.2
-Flask-Cors==3.0.4
+Flask-Cors==3.0.9
 gevent==1.3.0
 glob2==0.6
 greenlet==0.4.13