diff --git a/requirements_dev.txt b/requirements_dev.txt
index 4d6c108..c25cd9e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,6 @@
 bump2version==1.0.0
 coverage==5.3
 flake8==3.8.3
-mock==3.0.5
 pip==20.2.3
 pytest==6.1.0
 Sphinx==3.2.1
diff --git a/setup.py b/setup.py
index 4c36f1f..09c9259 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 
 setup_requirements = []
 
-test_requirements = ["mock", "pytest"]
+test_requirements = ["pytest"]
 
 setup(
     author="Markus Gerstel",
diff --git a/tests/test_procrunner.py b/tests/test_procrunner.py
index 6843207..8acec7c 100644
--- a/tests/test_procrunner.py
+++ b/tests/test_procrunner.py
@@ -1,5 +1,5 @@
 import copy
-import mock
+from unittest import mock
 import os
 import pathlib
 import procrunner