diff --git a/requirements.txt b/requirements.txt
index 17cb037..906f774 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ chardet==3.0.4
 Click==7.0
 docutils==0.15.2
 Flask==1.1.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.11.1