diff --git a/apps/securetrails-vulnerable/requirements.txt b/apps/securetrails-vulnerable/requirements.txt
index 298b6ec..a4b4e53 100644
--- a/apps/securetrails-vulnerable/requirements.txt
+++ b/apps/securetrails-vulnerable/requirements.txt
@@ -6,4 +6,4 @@ Jinja2==2.11.0
 MarkupSafe==1.1.0
 click==7.1.0
 itsdangerous==1.1.0
-Flask-CORS==3.0.8
+Flask-CORS==6.0.0