diff --git a/requirements.txt b/requirements.txt
index b0df18b..d2f13a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@
 oslo.log>=3.36.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
-oslo.utils>=4.7.0 # Apache-2.0
+oslo.utils>=7.0.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 PyYAML>=3.12 # MIT
 python-subunit>=1.0.0 # Apache-2.0/BSD
diff --git a/tempest/lib/auth.py b/tempest/lib/auth.py
index 8bdf98e..12fffdb 100644
--- a/tempest/lib/auth.py
+++ b/tempest/lib/auth.py
@@ -21,6 +21,7 @@
 from urllib import parse as urlparse
 
 from oslo_log import log as logging
+from oslo_utils import timeutils
 
 from tempest.lib import exceptions
 from tempest.lib.services.identity.v2 import token_client as json_v2id
@@ -419,8 +420,7 @@
     def is_expired(self, auth_data):
         _, access = auth_data
         expiry = self._parse_expiry_time(access['token']['expires'])
-        return (expiry - self.token_expiry_threshold <=
-                datetime.datetime.utcnow())
+        return (expiry - self.token_expiry_threshold <= timeutils.utcnow())
 
 
 class KeystoneV3AuthProvider(KeystoneAuthProvider):
@@ -595,8 +595,7 @@
     def is_expired(self, auth_data):
         _, access = auth_data
         expiry = self._parse_expiry_time(access['expires_at'])
-        return (expiry - self.token_expiry_threshold <=
-                datetime.datetime.utcnow())
+        return (expiry - self.token_expiry_threshold <= timeutils.utcnow())
 
 
 def is_identity_version_supported(identity_version):
diff --git a/tempest/tests/lib/test_auth.py b/tempest/tests/lib/test_auth.py
index 3edb122..4e5ec48 100644
--- a/tempest/tests/lib/test_auth.py
+++ b/tempest/tests/lib/test_auth.py
@@ -17,6 +17,7 @@
 import datetime
 
 import fixtures
+from oslo_utils import timeutils
 import testtools
 
 from tempest.lib import auth
@@ -509,15 +510,15 @@
         self._test_base_url_helper(expected, filters, ('token', auth_data))
 
     def test_token_not_expired(self):
-        expiry_data = datetime.datetime.utcnow() + datetime.timedelta(days=1)
+        expiry_data = timeutils.utcnow() + datetime.timedelta(days=1)
         self._verify_expiry(expiry_data=expiry_data, should_be_expired=False)
 
     def test_token_expired(self):
-        expiry_data = datetime.datetime.utcnow() - datetime.timedelta(hours=1)
+        expiry_data = timeutils.utcnow() - datetime.timedelta(hours=1)
         self._verify_expiry(expiry_data=expiry_data, should_be_expired=True)
 
     def test_token_not_expired_to_be_renewed(self):
-        expiry_data = (datetime.datetime.utcnow() +
+        expiry_data = (timeutils.utcnow() +
                        self.auth_provider.token_expiry_threshold / 2)
         self._verify_expiry(expiry_data=expiry_data, should_be_expired=True)