diff --git a/pyproject.toml b/pyproject.toml
index c3cff29..7e29453 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ packages = [
 [tool.poetry.dependencies]
 python = "^3.7"
 tornado = "^4 || ^5 || ^6"
-openapi-core = "^0.13.8"
+openapi-core = "^0.14.0"
 ietfparse = "^1.7.0"
 typing-extensions = "^3.7.4"
 
diff --git a/tests/test_requests.py b/tests/test_requests.py
index ebdbfab..e313a61 100644
--- a/tests/test_requests.py
+++ b/tests/test_requests.py
@@ -7,9 +7,9 @@ import attr
 from hypothesis import given
 import hypothesis.strategies as s  # type: ignore
 from openapi_core import create_spec  # type: ignore
-from openapi_core.exceptions import OpenAPIError  # type: ignore
-from openapi_core.schema.parameters.exceptions import (  # type: ignore
+from openapi_core.exceptions import (  # type: ignore
     MissingRequiredParameter,
+    OpenAPIError,
 )
 from openapi_core.validation.request.datatypes import (  # type: ignore
     RequestParameters,
diff --git a/tornado_openapi3/handler.py b/tornado_openapi3/handler.py
index e0f87eb..5eb5e5f 100644
--- a/tornado_openapi3/handler.py
+++ b/tornado_openapi3/handler.py
@@ -4,15 +4,13 @@ from typing import Mapping
 
 from openapi_core import create_spec  # type: ignore
 from openapi_core.casting.schemas.exceptions import CastError  # type: ignore
-from openapi_core.exceptions import OpenAPIError  # type: ignore
-from openapi_core.deserializing.exceptions import DeserializeError  # type: ignore
-from openapi_core.schema.specs.models import Spec  # type: ignore
-from openapi_core.schema.parameters.exceptions import (  # type: ignore
-    MissingRequiredParameter,
-)
-from openapi_core.schema.request_bodies.exceptions import (  # type: ignore
+from openapi_core.exceptions import (  # type: ignore
     MissingRequestBody,
+    MissingRequiredParameter,
+    OpenAPIError,
 )
+from openapi_core.deserializing.exceptions import DeserializeError  # type: ignore
+from openapi_core.spec.paths import SpecPath  # type: ignore
 from openapi_core.templating.media_types.exceptions import (  # type: ignore
     MediaTypeNotFound,
 )
@@ -52,7 +50,7 @@ class OpenAPIRequestHandler(tornado.web.RequestHandler):
         raise NotImplementedError()
 
     @property
-    def spec(self) -> Spec:
+    def spec(self) -> SpecPath:
         """The OpenAPI 3 specification.
 
         Override this in your request handlers to customize how your OpenAPI 3
diff --git a/tornado_openapi3/testing.py b/tornado_openapi3/testing.py
index 6609f3d..2c358bd 100644
--- a/tornado_openapi3/testing.py
+++ b/tornado_openapi3/testing.py
@@ -4,7 +4,7 @@ import tornado.httpclient  # type: ignore
 import tornado.testing  # type: ignore
 
 from openapi_core import create_spec  # type: ignore
-from openapi_core.schema.specs.models import Spec  # type: ignore
+from openapi_core.spec.paths import SpecPath  # type: ignore
 from tornado_openapi3.responses import ResponseValidator
 
 
@@ -29,7 +29,7 @@ class AsyncOpenAPITestCase(tornado.testing.AsyncHTTPTestCase):
         raise NotImplementedError()
 
     @property
-    def spec(self) -> Spec:
+    def spec(self) -> SpecPath:
         """The OpenAPI 3 specification.
 
         Override this in your test cases to customize how your OpenAPI 3 spec is