diff --git a/requirements.txt b/requirements.txt
index 6c1d439..79cce9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Click==7.0
 docutils==0.14
 durationpy==0.5
 Flask==1.0.2
-Flask-Cors==3.0.9
+Flask-Cors==6.0.0
 Flask-RESTful==0.3.6
 future==0.16.0
 hjson==3.0.1