diff --git a/subjects/mobile-dev/stock-market/resources/mock-stock-data-server/requirements.txt b/subjects/mobile-dev/stock-market/resources/mock-stock-data-server/requirements.txt
index 767291cd5..925188c64 100644
--- a/subjects/mobile-dev/stock-market/resources/mock-stock-data-server/requirements.txt
+++ b/subjects/mobile-dev/stock-market/resources/mock-stock-data-server/requirements.txt
@@ -1,7 +1,7 @@
 blinker==1.6.2
 click==8.1.6
 Flask==2.3.2
-Flask-Cors==4.0.1
+Flask-Cors==5.0.0
 itsdangerous==2.1.2
 Jinja2==3.1.4
 MarkupSafe==2.1.3