diff --git a/pyproject.toml b/pyproject.toml
index 0cb10a58..99a9aef4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,6 +104,9 @@ exclude = [
 [tool.uv]
 default-groups = ["dev", "pre-commit", "tests", "typing"]
 
+[tool.uv.sources]
+werkzeug = { path = "../werkzeug" }
+
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 filterwarnings = [
diff --git a/tests/test_basic.py b/tests/test_basic.py
index c372a910..f8a11529 100644
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@@ -1,8 +1,8 @@
 import gc
+import importlib.metadata
 import re
 import typing as t
 import uuid
-import warnings
 import weakref
 from contextlib import nullcontext
 from datetime import datetime
@@ -1491,20 +1491,22 @@ def test_request_locals():
     assert not flask.g
 
 
+werkzeug_3_2 = importlib.metadata.version("werkzeug") >= "3.2."
+
+
 @pytest.mark.parametrize(
-    ("subdomain_matching", "host_matching", "expect_base", "expect_abc", "expect_xyz"),
+    ("subdomain_matching", "host_matching", "expect_subdomain", "expect_host"),
     [
-        (False, False, "default", "default", "default"),
-        (True, False, "default", "abc", "<invalid>"),
-        (False, True, "default", "abc", "default"),
+        (False, False, "default", "default"),
+        (True, False, "abc", "<invalid>"),
+        (False, True, "abc", "default"),
     ],
 )
 def test_server_name_matching(
     subdomain_matching: bool,
     host_matching: bool,
-    expect_base: str,
-    expect_abc: str,
-    expect_xyz: str,
+    expect_subdomain: str,
+    expect_host: str,
 ) -> None:
     app = flask.Flask(
         __name__,
@@ -1522,15 +1524,18 @@ def test_server_name_matching(
     client = app.test_client()
 
     r = client.get(base_url="http://example.test")
-    assert r.text == expect_base
+    assert r.text == "default"
 
     r = client.get(base_url="http://abc.example.test")
-    assert r.text == expect_abc
+    assert r.text == expect_subdomain
 
     with pytest.warns() if subdomain_matching else nullcontext():
         r = client.get(base_url="http://xyz.other.test")
 
-    assert r.text == expect_xyz
+        if werkzeug_3_2:
+            assert r.text == "default"
+        else:
+            assert r.text == expect_host
 
 
 def test_server_name_subdomain():
@@ -1566,12 +1571,12 @@ def test_server_name_subdomain():
     rv = client.get("/", "https://dev.local")
     assert rv.data == b"default"
 
-    # suppress Werkzeug 0.15 warning about name mismatch
-    with warnings.catch_warnings():
-        warnings.filterwarnings(
-            "ignore", "Current server name", UserWarning, "flask.app"
-        )
+    with pytest.warns(match="Current server name"):
         rv = client.get("/", "http://foo.localhost")
+
+    if werkzeug_3_2:
+        assert rv.status_code == 200
+    else:
         assert rv.status_code == 404
 
     rv = client.get("/", "http://foo.dev.local")
@@ -1807,13 +1812,13 @@ def test_subdomain_matching_other_name(matching):
     def index():
         return "", 204
 
-    # suppress Werkzeug 0.15 warning about name mismatch
-    with warnings.catch_warnings():
-        warnings.filterwarnings(
-            "ignore", "Current server name", UserWarning, "flask.app"
-        )
-        # ip address can't match name
+    with pytest.warns(match="Current server name") if matching else nullcontext():
+        # ip address can't match name, but will fall back to default
         rv = client.get("/", "http://127.0.0.1:3000/")
+
+    if werkzeug_3_2:
+        assert rv.status_code == 204
+    else:
         assert rv.status_code == 404 if matching else 204
 
     # allow all subdomains if matching is disabled
diff --git a/uv.lock b/uv.lock
index 46c889d4..f145fc1c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -463,7 +463,7 @@ requires-dist = [
     { name = "jinja2", specifier = ">=3.1.2" },
     { name = "markupsafe", specifier = ">=2.1.1" },
     { name = "python-dotenv", marker = "extra == 'dotenv'" },
-    { name = "werkzeug", specifier = ">=3.1.0" },
+    { name = "werkzeug", directory = "../werkzeug" },
 ]
 provides-extras = ["async", "dotenv"]
 
@@ -1744,12 +1744,45 @@ wheels = [
 
 [[package]]
 name = "werkzeug"
-version = "3.1.5"
-source = { registry = "https://pypi.org/simple" }
+version = "3.2.0.dev0"
+source = { directory = "../werkzeug" }
 dependencies = [
     { name = "markupsafe" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/5a/70/1469ef1d3542ae7c2c7b72bd5e3a4e6ee69d7978fa8a3af05a38eca5becf/werkzeug-3.1.5.tar.gz", hash = "sha256:6a548b0e88955dd07ccb25539d7d0cc97417ee9e179677d22c7041c8f078ce67", size = 864754, upload-time = "2026-01-08T17:49:23.247Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/ad/e4/8d97cca767bcc1be76d16fb76951608305561c6e056811587f36cb1316a8/werkzeug-3.1.5-py3-none-any.whl", hash = "sha256:5111e36e91086ece91f93268bb39b4a35c1e6f1feac762c9c822ded0a4e322dc", size = 225025, upload-time = "2026-01-08T17:49:21.859Z" },
+
+[package.metadata]
+requires-dist = [
+    { name = "markupsafe", specifier = ">=2.1.1" },
+    { name = "watchdog", marker = "extra == 'watchdog'", specifier = ">=2.3" },
+]
+provides-extras = ["watchdog"]
+
+[package.metadata.requires-dev]
+dev = [
+    { name = "ruff" },
+    { name = "tox" },
+    { name = "tox-uv" },
+]
+docs = [
+    { name = "pallets-sphinx-themes" },
+    { name = "sphinx", specifier = "<9" },
+    { name = "sphinxcontrib-log-cabinet" },
+]
+docs-auto = [{ name = "sphinx-autobuild" }]
+gha-update = [{ name = "gha-update", marker = "python_full_version >= '3.12'" }]
+pre-commit = [
+    { name = "pre-commit" },
+    { name = "pre-commit-uv" },
+]
+tests = [
+    { name = "cffi" },
+    { name = "cryptography" },
+    { name = "ephemeral-port-reserve" },
+    { name = "pytest" },
+    { name = "pytest-timeout" },
+    { name = "watchdog" },
+]
+typing = [
+    { name = "mypy" },
+    { name = "pyright" },
 ]