diff --git a/v_2.1.2/requirements.txt b/v_2.1.2/requirements.txt
index b11ca12..96916ed 100644
--- a/v_2.1.2/requirements.txt
+++ b/v_2.1.2/requirements.txt
@@ -11,5 +11,5 @@ pyparsing==2.4.7
 python-dateutil==2.8.1
 scipy==1.6.3
 six==1.16.0
-Werkzeug==1.0.1
+Werkzeug==2.2.3
 xlrd==1.2.0