diff --git a/odoo/tools/_monkeypatches.py b/odoo/tools/_monkeypatches.py
index 91aa3f9f47d..f8227a53fc9 100644
--- a/odoo/tools/_monkeypatches.py
+++ b/odoo/tools/_monkeypatches.py
@@ -6,6 +6,9 @@ from shutil import copyfileobj
 _logger = logging.getLogger(__name__)
 
 from werkzeug.datastructures import FileStorage
+from werkzeug.wrappers import Request, Response
+
+from .json import scriptsafe
 
 try:
     from xlrd import xlsx
@@ -28,6 +31,8 @@ else:
 
 FileStorage.save = lambda self, dst, buffer_size=1<<20: copyfileobj(self.stream, dst, buffer_size)
 
+Request.json_module = Response.json_module = scriptsafe
+
 orig_literal_eval = ast.literal_eval
 
 def literal_eval(expr):