diff --git a/openapi_core/contrib/requests/responses.py b/openapi_core/contrib/requests/responses.py
index 0546051d..502d6b9b 100644
--- a/openapi_core/contrib/requests/responses.py
+++ b/openapi_core/contrib/requests/responses.py
@@ -8,7 +8,7 @@ class RequestsOpenAPIResponseFactory(object):
     def create(cls, response):
         mimetype = response.headers.get('Content-Type')
         return OpenAPIResponse(
-            data=response.raw,
+            data=response.content,
             status_code=response.status_code,
             mimetype=mimetype,
         )
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 1f282d67..38acad62 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,4 +6,5 @@ falcon==2.0.0
 flask
 django==2.2.10; python_version>="3.0"
 requests==2.22.0
+responses==0.10.12
 webob
diff --git a/setup.cfg b/setup.cfg
index ba0da4b4..e58fefef 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,6 +40,7 @@ tests_require =
     pytest-cov
     falcon
     flask
+    responses
     webob
 
 [options.packages.find]
diff --git a/tests/integration/contrib/requests/conftest.py b/tests/integration/contrib/requests/conftest.py
index 00aac4f7..fc62bfc8 100644
--- a/tests/integration/contrib/requests/conftest.py
+++ b/tests/integration/contrib/requests/conftest.py
@@ -1,7 +1,9 @@
 import pytest
 from requests.models import Request, Response
 from requests.structures import CaseInsensitiveDict
+from six import BytesIO, b
 from six.moves.urllib.parse import urljoin, parse_qs
+from urllib3.response import HTTPResponse
 
 
 @pytest.fixture
@@ -24,11 +26,13 @@ def create_request(method, path, subdomain=None, query_string=''):
 def response_factory():
     def create_response(
             data, status_code=200, content_type='application/json'):
+        fp = BytesIO(b(data))
+        raw = HTTPResponse(fp, preload_content=False)
         resp = Response()
         resp.headers = CaseInsensitiveDict({
             'Content-Type': content_type,
         })
         resp.status_code = status_code
-        resp.raw = data
+        resp.raw = raw
         return resp
     return create_response
diff --git a/tests/integration/contrib/requests/test_requests_responses.py b/tests/integration/contrib/requests/test_requests_responses.py
new file mode 100644
index 00000000..9ad45fde
--- /dev/null
+++ b/tests/integration/contrib/requests/test_requests_responses.py
@@ -0,0 +1,14 @@
+from openapi_core.contrib.requests import RequestsOpenAPIResponse
+
+
+class TestRequestsOpenAPIResponse(object):
+
+    def test_invalid_server(self, response_factory):
+        response = response_factory('Not Found', status_code=404)
+
+        openapi_response = RequestsOpenAPIResponse(response)
+
+        assert openapi_response.data == response.content
+        assert openapi_response.status_code == response.status_code
+        mimetype = response.headers.get('Content-Type')
+        assert openapi_response.mimetype == mimetype
diff --git a/tests/integration/contrib/requests/test_requests_validation.py b/tests/integration/contrib/requests/test_requests_validation.py
index 7dc03554..6812d93f 100644
--- a/tests/integration/contrib/requests/test_requests_validation.py
+++ b/tests/integration/contrib/requests/test_requests_validation.py
@@ -1,4 +1,6 @@
 import pytest
+import requests
+import responses
 
 from openapi_core.contrib.requests import (
     RequestsOpenAPIRequest, RequestsOpenAPIResponse,
@@ -15,21 +17,25 @@ def spec(self, factory):
         specfile = 'contrib/requests/data/v3.0/requests_factory.yaml'
         return create_spec(factory.spec_from_file(specfile))
 
-    def test_response_validator_path_pattern(self,
-                                             spec,
-                                             request_factory,
-                                             response_factory):
+    @responses.activate
+    def test_response_validator_path_pattern(self, spec):
+        responses.add(
+            responses.GET, 'http://localhost/browse/12/',
+            json={"data": "data"}, status=200)
         validator = ResponseValidator(spec)
-        request = request_factory('GET', '/browse/12/', subdomain='kb')
+        request = requests.Request('GET', 'http://localhost/browse/12/')
+        request_prepared = request.prepare()
+        session = requests.Session()
+        response = session.send(request_prepared)
         openapi_request = RequestsOpenAPIRequest(request)
-        response = response_factory('{"data": "data"}', status_code=200)
         openapi_response = RequestsOpenAPIResponse(response)
         result = validator.validate(openapi_request, openapi_response)
         assert not result.errors
 
-    def test_request_validator_path_pattern(self, spec, request_factory):
+    @responses.activate
+    def test_request_validator_path_pattern(self, spec):
         validator = RequestValidator(spec)
-        request = request_factory('GET', '/browse/12/', subdomain='kb')
+        request = requests.Request('GET', 'http://localhost/browse/12/')
         openapi_request = RequestsOpenAPIRequest(request)
         result = validator.validate(openapi_request)
         assert not result.errors