diff --git a/ext_models/chen2021Fitness/requirements.txt b/ext_models/chen2021Fitness/requirements.txt
index fce7173..df441ad 100644
--- a/ext_models/chen2021Fitness/requirements.txt
+++ b/ext_models/chen2021Fitness/requirements.txt
@@ -12,4 +12,4 @@ pytz==2021.1
 scipy==1.6.0
 six==1.15.0
 statsmodels==0.12.2
-Werkzeug==1.0.1
+Werkzeug==2.2.3