diff --git a/requirements.txt b/requirements.txt
index 7af8fc5..f23cb70 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask_JWT==0.3.2
 lxml==3.7.3
 xmltodict==0.10.2
 pony==0.7.2
-Flask_Cors==3.0.3
+Flask_Cors==3.0.9
 Flask==0.12.2
 setuptools==34.3.1
 Flask_API==0.6.9