diff --git a/openstack/tests/unit/test_utils.py b/openstack/tests/unit/test_utils.py
index ea726039b..78bbbd042 100644
--- a/openstack/tests/unit/test_utils.py
+++ b/openstack/tests/unit/test_utils.py
@@ -223,7 +223,7 @@ class TestMaximumSupportedMicroversion(base.TestCase):
 
 class TestOsServiceTypesVersion(base.TestCase):
     def test_ost_version(self):
-        ost_version = '2022-09-13T15:34:32.154125'
+        ost_version = '2024-05-08T19:22:13.804707'
         self.assertEqual(
             ost_version,
             os_service_types.ServiceTypes().version,
diff --git a/requirements.txt b/requirements.txt
index 5a531f3f9..d63e00eb6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ iso8601>=0.1.11 # MIT
 jmespath>=0.9.0 # MIT
 jsonpatch!=1.20,>=1.16 # BSD
 keystoneauth1>=5.10.0 # Apache-2.0
-os-service-types>=1.8.0 # Apache-2.0
+os-service-types>=1.8.1 # Apache-2.0
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 platformdirs>=3 # MIT License
 psutil>=3.2.2 # BSD