diff --git a/manila_tempest_tests/tests/api/admin/test_share_types.py b/manila_tempest_tests/tests/api/admin/test_share_types.py
index d23171a..3d46c9e 100644
--- a/manila_tempest_tests/tests/api/admin/test_share_types.py
+++ b/manila_tempest_tests/tests/api/admin/test_share_types.py
@@ -113,26 +113,22 @@
     @utils.skip_if_microversion_not_supported("2.50")
     @decorators.idempotent_id('a9af19e1-e789-4c4f-a39b-dd8df6ed00b1')
     @tc.attr(base.TAG_POSITIVE, base.TAG_API)
-    @ddt.named_data(
-        ('2_50_name_description_public', '2.50',
-         data_utils.rand_name("type_updated"), 'description_updated', True),
-        ('2_50_name', '2.50', data_utils.rand_name("type_updated"), None,
-         None),
-        ('2_50_description_public', '2.50', None, 'description_updated',
-         None),
-        ('2_50_public', '2.50', None, None, True),
-        ('2_50', '2.50', None, None, False),
-        (f'{LATEST_MICROVERSION}_name_description_public',
-         LATEST_MICROVERSION, data_utils.rand_name("type_updated"),
+    @ddt.data(
+        ('2.50', data_utils.rand_name("type_updated"),
          'description_updated', True),
-        (f'{LATEST_MICROVERSION}_name', LATEST_MICROVERSION,
-         data_utils.rand_name("type_updated"), None, None),
-        (f'{LATEST_MICROVERSION}_description', LATEST_MICROVERSION, None,
-         'description_updated', None),
-        (f'{LATEST_MICROVERSION}_public', LATEST_MICROVERSION, None, None,
-         True),
-        (LATEST_MICROVERSION, LATEST_MICROVERSION, None, None, False),
+        ('2.50', data_utils.rand_name("type_updated"), None, None),
+        ('2.50', None, 'description_updated', None),
+        ('2.50', None, None, True),
+        ('2.50', None, None, False),
+        (LATEST_MICROVERSION, data_utils.rand_name("type_updated"),
+         'description_updated', True),
+        (LATEST_MICROVERSION, data_utils.rand_name("type_updated"),
+         None, None),
+        (LATEST_MICROVERSION, None, 'description_updated', None),
+        (LATEST_MICROVERSION, None, None, True),
+        (LATEST_MICROVERSION, None, None, False),
     )
+    @ddt.unpack
     def test_share_type_create_update(self, version, st_name,
                                       st_description, st_is_public):
         name = data_utils.rand_name("tempest-manila")
diff --git a/manila_tempest_tests/tests/api/test_share_types_negative.py b/manila_tempest_tests/tests/api/test_share_types_negative.py
index af4815f..046af45 100644
--- a/manila_tempest_tests/tests/api/test_share_types_negative.py
+++ b/manila_tempest_tests/tests/api/test_share_types_negative.py
@@ -83,17 +83,15 @@
     @utils.skip_if_microversion_not_supported("2.50")
     @decorators.idempotent_id('4a22945c-8988-43a1-88c9-eb86e6abcd8e')
     @tc.attr(base.TAG_NEGATIVE, base.TAG_API)
-    @ddt.named_data(
-        ('2_50', '2.50', '', None, None),
-        (LATEST_MICROVERSION, LATEST_MICROVERSION, '', None, None),
-        ('2_50_bad_public', '2.50', None, None, 'not_bool'),
-        (f'{LATEST_MICROVERSION}_bad_public', LATEST_MICROVERSION, None, None,
-         'not_bool'),
-        ('2_50_description', '2.50', None, generate_long_description(256),
-         None),
-        (f'{LATEST_MICROVERSION}_description', LATEST_MICROVERSION, None,
-         generate_long_description(256), None),
+    @ddt.data(
+        ('2.50', '', None, None),
+        (LATEST_MICROVERSION, '', None, None),
+        ('2.50', None, None, 'not_bool'),
+        (LATEST_MICROVERSION, None, None, 'not_bool'),
+        ('2.50', None, generate_long_description(256), None),
+        (LATEST_MICROVERSION, None, generate_long_description(256), None),
     )
+    @ddt.unpack
     def test_share_type_update_bad_request(
             self, version, st_name, st_description, st_is_public):
         st_id = self.st['id']
diff --git a/requirements.txt b/requirements.txt
index 108bbee..95ad247 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 
-ddt>=1.6.0 # MIT
+ddt>=1.0.1 # MIT
 oslo.log>=3.36.0 # Apache-2.0
 tempest>=31.1.0 # Apache-2.0