diff --git a/requirements.txt b/requirements.txt
index 65919e9..f792e3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ chardet==3.0.4
 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-Redis==0.3.0