diff --git a/15.0/base_requirements.txt b/15.0/base_requirements.txt
index 1b087a4a..f4084155 100644
--- a/15.0/base_requirements.txt
+++ b/15.0/base_requirements.txt
@@ -35,7 +35,7 @@ requests==2.32.3
 zeep==4.2.1
 python-stdnum==1.20
 vobject==0.9.7
-Werkzeug==3.0.4
+Werkzeug==2.3.8
 XlsxWriter==3.2.0
 xlwt==1.3.0
 xlrd==2.0.1