diff --git a/apiserver/services/utils.py b/apiserver/services/utils.py
index 6feb171..aebd68f 100644
--- a/apiserver/services/utils.py
+++ b/apiserver/services/utils.py
@@ -144,7 +144,7 @@ class ModelsBackwardsCompatibility:
 
     @classmethod
     def prepare_for_save(cls, call: APICall, fields: dict):
-        if call.requested_endpoint_version > cls.max_version:
+        if call.requested_endpoint_version >= cls.max_version:
             return
 
         for mode, field in cls.mode_to_fields.items():
@@ -168,7 +168,7 @@ class ModelsBackwardsCompatibility:
     def unprepare_from_saved(
         cls, call: APICall, tasks_data: Union[Sequence[dict], dict]
     ):
-        if call.requested_endpoint_version > cls.max_version:
+        if call.requested_endpoint_version >= cls.max_version:
             return
 
         if isinstance(tasks_data, dict):
@@ -191,7 +191,7 @@ class DockerCmdBackwardsCompatibility:
 
     @classmethod
     def prepare_for_save(cls, call: APICall, fields: dict):
-        if call.requested_endpoint_version > cls.max_version:
+        if call.requested_endpoint_version >= cls.max_version:
             return
 
         docker_cmd = nested_get(fields, cls.field)
@@ -206,7 +206,7 @@ class DockerCmdBackwardsCompatibility:
     def unprepare_from_saved(
         cls, call: APICall, tasks_data: Union[Sequence[dict], dict]
     ):
-        if call.requested_endpoint_version > cls.max_version:
+        if call.requested_endpoint_version >= cls.max_version:
             return
 
         if isinstance(tasks_data, dict):
diff --git a/apiserver/tests/automated/__init__.py b/apiserver/tests/automated/__init__.py
index f8e3a85..8237740 100644
--- a/apiserver/tests/automated/__init__.py
+++ b/apiserver/tests/automated/__init__.py
@@ -5,6 +5,8 @@ from functools import partial
 from typing import Iterable
 from unittest import TestCase
 
+from packaging.version import parse
+
 from apiserver.tests.api_client import APIClient
 from apiserver.config_repo import config
 
@@ -72,6 +74,7 @@ class TestService(TestCase, TestServiceInterface):
     def setUp(self, version="1.7"):
         self._api = APIClient(base_url=f"http://localhost:8008/v{version}")
         self._deferred = []
+        self._version = parse(version)
         header(self.id())
 
     def tearDown(self):
diff --git a/apiserver/tests/automated/test_task_models.py b/apiserver/tests/automated/test_task_models.py
index b540b69..e57a997 100644
--- a/apiserver/tests/automated/test_task_models.py
+++ b/apiserver/tests/automated/test_task_models.py
@@ -1,6 +1,8 @@
 from copy import deepcopy
 from typing import Sequence, Optional
 
+from packaging.version import parse
+
 from apiserver.tests.automated import TestService
 
 
@@ -90,14 +92,15 @@ class TestTaskModels(TestService):
         ):
             compare_models(task.models.input, input_models)
             compare_models(task.models.output, output_models)
-            self.assertEqual(
-                get_model_id(task.execution),
-                input_models[0]["model"] if input_models else None,
-            )
-            self.assertEqual(
-                get_model_id(task.output),
-                output_models[-1]["model"] if output_models else None,
-            )
+            if self._version < parse("2.13"):
+                self.assertEqual(
+                    get_model_id(task.execution),
+                    input_models[0]["model"] if input_models else None,
+                )
+                self.assertEqual(
+                    get_model_id(task.output),
+                    output_models[-1]["model"] if output_models else None,
+                )
 
     def new_task(self, **kwargs):
         self.update_missing(