diff --git a/.ruff.toml b/.ruff.toml
index f9b06d38..391a9a71 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -26,7 +26,7 @@ ignore = [
     "RUF013", # implicit-optional
     "RUF015", # unnecessary-iterable-allocation-for-first-element
 
-    "UP026",  # deprecated-mock-import
+    # "UP026",  # deprecated-mock-import
     "B005",   # strip-with-multi-characters
     "B010",   # set-attr-with-constant
     "B011",   # assert-false
diff --git a/pyproject.toml b/pyproject.toml
index 9263810b..bc46aea5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,8 +51,7 @@ everything = ["powerapi[all-databases, all-platforms]"]
 test = [
     "pytest >= 7.0.1",
     "pytest-timeout >= 1.4.2",
-    "pytest-cov >= 4.0.0",
-    "mock >= 4.0.3"
+    "pytest-cov >= 4.0.0"
 ]
 
 docs = [
diff --git a/tests/unit/actor/abstract_test_actor.py b/tests/unit/actor/abstract_test_actor.py
index 76ff5793..f4cfa97d 100644
--- a/tests/unit/actor/abstract_test_actor.py
+++ b/tests/unit/actor/abstract_test_actor.py
@@ -31,7 +31,7 @@
 from multiprocessing import Pipe
 
 import pytest
-from mock import Mock
+from unittest.mock import Mock
 
 from powerapi.actor import Actor, NotConnectedException
 from powerapi.handler import Handler
diff --git a/tests/unit/actor/test_supervisor.py b/tests/unit/actor/test_supervisor.py
index 6cf9bc94..bc0406f2 100644
--- a/tests/unit/actor/test_supervisor.py
+++ b/tests/unit/actor/test_supervisor.py
@@ -29,7 +29,7 @@
 
 import pytest
 import zmq
-from mock import Mock
+from unittest.mock import Mock
 from powerapi.actor import Actor, Supervisor, ActorInitError, State
 from powerapi.message import OKMessage, ErrorMessage, StartMessage