diff --git a/trytond/setup.py b/trytond/setup.py
index 3d9e6a385b..b414819eea 100755
--- a/trytond/setup.py
+++ b/trytond/setup.py
@@ -140,7 +140,7 @@ setup(name=name,
         'python-dateutil',
         'polib',
         'python-sql >= 1.3',
-        'werkzeug',
+        'werkzeug >= 0.12',
         'passlib >= 1.7.0',
         'pytz;python_version<"3.9"',
         ],