diff --git a/requirements-dev.txt b/requirements-dev.txt
index 54a908f..5ae5f77 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,10 +1,9 @@
-flake8==3.8.2
-mock==4.0.2
+flake8==6.1.0
 
 # mypy
 mypy==1.7.1
 types-redis==4.6.0.11
 
 # pytest
-pytest==6.0.1
-pytest-cov==2.8.1
+pytest==7.4.3
+pytest-cov==4.1.0
diff --git a/tests/attempt/v2_test.py b/tests/attempt/v2_test.py
index bcadbc0..40b5751 100644
--- a/tests/attempt/v2_test.py
+++ b/tests/attempt/v2_test.py
@@ -1,5 +1,5 @@
 import pytest
-from mock import Mock
+from unittest.mock import Mock
 from skale.utils.account_tools import send_eth
 
 from transaction_manager.attempt_manager.base import NoCurrentAttemptError
diff --git a/tests/processor_test.py b/tests/processor_test.py
index 48be47a..5a1a169 100644
--- a/tests/processor_test.py
+++ b/tests/processor_test.py
@@ -1,4 +1,4 @@
-import mock
+from unittest import mock
 import pytest
 
 from transaction_manager.config import MAX_RESUBMIT_AMOUNT