diff --git a/flask_restplus/api.py b/flask_restplus/api.py
index b5433ce3..e775084c 100644
--- a/flask_restplus/api.py
+++ b/flask_restplus/api.py
@@ -25,7 +25,7 @@
 
 from jsonschema import RefResolver
 
-from werkzeug import cached_property
+from werkzeug.utils import cached_property
 from werkzeug.datastructures import Headers
 from werkzeug.exceptions import HTTPException, MethodNotAllowed, NotFound, NotAcceptable, InternalServerError
 from werkzeug.wrappers import BaseResponse
diff --git a/requirements/test.pip b/requirements/test.pip
index 984f897a..2fe326ad 100644
--- a/requirements/test.pip
+++ b/requirements/test.pip
@@ -5,7 +5,7 @@ pytest==4.6.5; python_version < '3.5'
 pytest==5.0.1; python_version >= '3.5'
 pytest-benchmark==3.2.2
 pytest-cov==2.7.1
-pytest-flask==0.15.0
+pytest-flask==0.15.1
 pytest-mock==1.10.4
 pytest-profiling==1.7.0
 pytest-sugar==0.9.2