diff --git a/requirements.txt b/requirements.txt
index a9995b9..850a7cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ cffi==1.11.5
 click==6.7
 Flask==1.0.2
 Flask-BabelEx==0.9.3
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-Login==0.4.1
 Flask-Mail==0.9.1
 Flask-Principal==0.4.0