diff --git a/tests/conftest.py b/tests/conftest.py
index 0414b9e22f..75875b6f44 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -4,6 +4,11 @@
 import pytest
 from _pytest import monkeypatch
 
+try:
+    from _pytest.monkeypatch import notset
+except ImportError:
+    from _pytest.compat import NOTSET as notset
+
 from flask import Flask
 from flask.globals import app_ctx as _app_ctx
 
@@ -16,15 +21,15 @@ def _standard_os_environ():
     """
     mp = monkeypatch.MonkeyPatch()
     out = (
-        (os.environ, "FLASK_ENV_FILE", monkeypatch.notset),
-        (os.environ, "FLASK_APP", monkeypatch.notset),
-        (os.environ, "FLASK_DEBUG", monkeypatch.notset),
-        (os.environ, "FLASK_RUN_FROM_CLI", monkeypatch.notset),
-        (os.environ, "WERKZEUG_RUN_MAIN", monkeypatch.notset),
+        (os.environ, "FLASK_ENV_FILE", notset),
+        (os.environ, "FLASK_APP", notset),
+        (os.environ, "FLASK_DEBUG", notset),
+        (os.environ, "FLASK_RUN_FROM_CLI", notset),
+        (os.environ, "WERKZEUG_RUN_MAIN", notset),
     )
 
     for _, key, value in out:
-        if value is monkeypatch.notset:
+        if value is notset:
             mp.delenv(key, False)
         else:
             mp.setenv(key, value)
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 2a34088bd5..a691f19af1 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -11,7 +11,11 @@
 
 import click
 import pytest
-from _pytest.monkeypatch import notset
+
+try:
+    from _pytest.monkeypatch import notset
+except ImportError:
+    from _pytest.compat import NOTSET as notset
 from click.testing import CliRunner
 
 from flask import Blueprint