diff --git a/setup.py b/setup.py
index 054bc93e..21763a03 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,6 @@
     "pytest-asyncio==0.21.1",
     "pytest-console-scripts==1.3.1",
     "pytest-cov==5.0.0",
-    "mock==4.0.2",
     "vcrpy==4.4.0",
     "aiofiles",
 ]
diff --git a/tests/test_cli.py b/tests/test_cli.py
index f0534957..cdbe07f9 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -370,6 +370,7 @@ def test_cli_get_transport_no_protocol(parser):
         get_transport(args)
 
 
+@pytest.mark.script_launch_mode("subprocess")
 def test_cli_ep_version(script_runner):
     ret = script_runner.run("gql-cli", "--version")
 
diff --git a/tests/test_client.py b/tests/test_client.py
index ada129c6..f7a3c947 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -1,7 +1,7 @@
 import os
 from contextlib import suppress
+from unittest import mock
 
-import mock
 import pytest
 from graphql import build_ast_schema, parse