diff --git a/requirements.txt b/requirements.txt
index 521dac0..68c00ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cffi==1.14.0
 Click==7.0
 cryptography==2.8
 Flask==1.1.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 itsdangerous==1.1.0
 Jinja2==2.11.1
 MarkupSafe==1.1.1