diff --git a/sentry_sdk/integrations/quart.py b/sentry_sdk/integrations/quart.py
index ea874ed37c..38420ec795 100644
--- a/sentry_sdk/integrations/quart.py
+++ b/sentry_sdk/integrations/quart.py
@@ -38,7 +38,6 @@
         request,
         websocket,
     )
-    from quart.scaffold import Scaffold  # type: ignore
     from quart.signals import (  # type: ignore
         got_background_exception,
         got_request_exception,
@@ -49,6 +48,12 @@
     from quart.utils import is_coroutine_function  # type: ignore
 except ImportError:
     raise DidNotEnable("Quart is not installed")
+else:
+    # Quart 0.19 is based on Flask and hence no longer has a Scaffold
+    try:
+        from quart.scaffold import Scaffold  # type: ignore
+    except ImportError:
+        from flask.sansio.scaffold import Scaffold  # type: ignore
 
 TRANSACTION_STYLE_VALUES = ("endpoint", "url")
 
diff --git a/tests/integrations/quart/test_quart.py b/tests/integrations/quart/test_quart.py
index 93c46f5903..0f693088c9 100644
--- a/tests/integrations/quart/test_quart.py
+++ b/tests/integrations/quart/test_quart.py
@@ -32,8 +32,8 @@
 @pytest_asyncio.fixture
 async def app():
     app = Quart(__name__)
-    app.debug = True
-    app.config["TESTING"] = True
+    app.debug = False
+    app.config["TESTING"] = False
     app.secret_key = "haha"
 
     auth_manager.init_app(app)
@@ -123,22 +123,15 @@ async def test_transaction_style(
 
 
 @pytest.mark.asyncio
-@pytest.mark.parametrize("debug", (True, False))
-@pytest.mark.parametrize("testing", (True, False))
 async def test_errors(
     sentry_init,
     capture_exceptions,
     capture_events,
     app,
-    debug,
-    testing,
     integration_enabled_params,
 ):
     sentry_init(debug=True, **integration_enabled_params)
 
-    app.debug = debug
-    app.testing = testing
-
     @app.route("/")
     async def index():
         1 / 0
@@ -323,9 +316,6 @@ def foo():
 async def test_500(sentry_init, capture_events, app):
     sentry_init(integrations=[quart_sentry.QuartIntegration()])
 
-    app.debug = False
-    app.testing = False
-
     @app.route("/")
     async def index():
         1 / 0
@@ -349,9 +339,6 @@ async def error_handler(err):
 async def test_error_in_errorhandler(sentry_init, capture_events, app):
     sentry_init(integrations=[quart_sentry.QuartIntegration()])
 
-    app.debug = False
-    app.testing = False
-
     @app.route("/")
     async def index():
         raise ValueError()
diff --git a/tox.ini b/tox.ini
index 952823bc41..2f082b8d58 100644
--- a/tox.ini
+++ b/tox.ini
@@ -134,6 +134,7 @@ envlist =
 
     # Quart
     {py3.7,py3.8,py3.9,py3.10,py3.11}-quart-v{0.16,0.17,0.18}
+    {py3.8,py3.9,py3.10,py3.11}-quart-v{0.19}
 
     # Redis
     {py2.7,py3.7,py3.8,py3.9,py3.10,py3.11}-redis
@@ -403,14 +404,17 @@ deps =
     # Quart
     quart: quart-auth
     quart: pytest-asyncio
-    quart: werkzeug<3.0.0
     quart-v0.16: blinker<1.6
     quart-v0.16: jinja2<3.1.0
     quart-v0.16: Werkzeug<2.1.0
-    quart-v0.17: blinker<1.6
     quart-v0.16: quart>=0.16.1,<0.17.0
+    quart-v0.17: Werkzeug<3.0.0
+    quart-v0.17: blinker<1.6
     quart-v0.17: quart>=0.17.0,<0.18.0
+    quart-v0.18: Werkzeug<3.0.0
     quart-v0.18: quart>=0.18.0,<0.19.0
+    quart-v0.19: Werkzeug>=3.0.0
+    quart-v0.19: quart>=0.19.0,<0.20.0
 
     # Requests
     requests: requests>=2.0