diff --git a/ironic_python_agent/api/app.py b/ironic_python_agent/api/app.py
index 93a53bada..47f5dd85b 100644
--- a/ironic_python_agent/api/app.py
+++ b/ironic_python_agent/api/app.py
@@ -20,7 +20,6 @@ from oslo_service import wsgi
 import werkzeug
 from werkzeug import exceptions as http_exc
 from werkzeug import routing
-from werkzeug.wrappers import json as http_json
 
 from ironic_python_agent import encoding
 
@@ -30,7 +29,7 @@ _CUSTOM_MEDIA_TYPE = 'application/vnd.openstack.ironic-python-agent.v1+json'
 _DOCS_URL = 'https://docs.openstack.org/ironic-python-agent'
 
 
-class Request(werkzeug.Request, http_json.JSONMixin):
+class Request(werkzeug.Request):
     """Custom request class with JSON support."""
 
 
diff --git a/ironic_python_agent/tests/unit/test_api.py b/ironic_python_agent/tests/unit/test_api.py
index ff71e3231..c9491493c 100644
--- a/ironic_python_agent/tests/unit/test_api.py
+++ b/ironic_python_agent/tests/unit/test_api.py
@@ -18,7 +18,6 @@ from unittest import mock
 from oslo_config import cfg
 from werkzeug import test as http_test
 from werkzeug import wrappers
-from werkzeug.wrappers import json as http_json
 
 from ironic_python_agent import agent
 from ironic_python_agent.api import app
@@ -29,7 +28,7 @@ from ironic_python_agent.tests.unit import base as ironic_agent_base
 PATH_PREFIX = '/v1'
 
 
-class Response(wrappers.Response, http_json.JSONMixin):
+class Response(wrappers.Response):
     pass
 
 
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 64365d598..5d52a109a 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,5 +1,5 @@
 Pint==0.5
-Werkzeug==1.0.1
+Werkzeug==2.0.0
 bandit==1.1.0
 coverage==4.0
 cryptography==2.3
diff --git a/requirements.txt b/requirements.txt
index 3badcd0e1..d7068f03c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,6 +18,6 @@ requests>=2.14.2 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0
 tenacity>=6.2.0 # Apache-2.0
 ironic-lib>=5.1.0 # Apache-2.0
-Werkzeug>=1.0.1 # BSD License
+Werkzeug>=2.0.0 # BSD License
 cryptography>=2.3 # BSD/Apache-2.0
 tooz>=2.7.2 # Apache-2.0