diff --git a/requirements.txt b/requirements.txt
index 81e5f4e..4f4c288 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ distlib==0.3.0
 docutils==0.15.2
 filelock==3.0.12
 Flask==0.10.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 groundwork-sphinx-theme==1.1.1
 idna==2.8
 imagesize==1.2.0