diff --git a/os_ken/tests/unit/cmd/test_manager.py b/os_ken/tests/unit/cmd/test_manager.py
index 6c3e2382..22730c15 100644
--- a/os_ken/tests/unit/cmd/test_manager.py
+++ b/os_ken/tests/unit/cmd/test_manager.py
@@ -17,7 +17,7 @@
 import unittest
 from unittest import mock
 
-from imp import reload
+from importlib import reload
 
 from os_ken.cmd.manager import main
 
diff --git a/os_ken/tests/unit/ofproto/test_ofproto.py b/os_ken/tests/unit/ofproto/test_ofproto.py
index 6e92da61..d3e787a2 100644
--- a/os_ken/tests/unit/ofproto/test_ofproto.py
+++ b/os_ken/tests/unit/ofproto/test_ofproto.py
@@ -16,7 +16,7 @@
 
 # vim: tabstop=4 shiftwidth=4 softtabstop=4
 
-from imp import reload
+from importlib import reload
 
 import unittest
 import logging