diff --git a/ext_models/chen2021Fitness/requirements.txt b/ext_models/chen2021Fitness/requirements.txt
index fce7173..515192b 100644
--- a/ext_models/chen2021Fitness/requirements.txt
+++ b/ext_models/chen2021Fitness/requirements.txt
@@ -1,5 +1,5 @@
 click==7.1.2
-Flask==1.1.2
+Flask==2.3.2
 gunicorn==20.0.4
 itsdangerous==1.1.0
 Jinja2==2.11.3