diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29e65c37a..1cb5b8c24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@
   - Switch to API version `v1` of STACKIT KMS service (previously `v1beta`)
   - **Breaking Change:** Removal of deprecated `Backend` model
   - **Breaking Change:** Mark `protection` attribute as required in `Key`, `CreateKeyPayload`, `CreateWrappingKeyPayload` and `WrappingKey` model
+- `intake`: [v0.1.1](services/intake/CHANGELOG.md#v011)
+  - Mark attributes `max_message_size_ki_b` and `max_messages_per_hour` as optional (previously required) in `UpdateIntakeRunnerPayload` model
 
 ## Release (2025-08-29)
 - `kms`: [v0.3.0](services/kms/CHANGELOG.md#v030)
diff --git a/services/intake/CHANGELOG.md b/services/intake/CHANGELOG.md
index 903280ad7..90338acb0 100644
--- a/services/intake/CHANGELOG.md
+++ b/services/intake/CHANGELOG.md
@@ -1,3 +1,5 @@
-## v0.1.0
+## v0.1.1
+- Mark attributes `max_message_size_ki_b` and `max_messages_per_hour` as optional (previously required) in `UpdateIntakeRunnerPayload` model
 
-- **New**: STACKIT Intake module can be used to manage the STACKIT Intake. Manage your `IntakeRunners`, `Intakes` and `IntakeUsers`
\ No newline at end of file
+## v0.1.0
+- **New**: STACKIT Intake module can be used to manage the STACKIT Intake. Manage your `IntakeRunners`, `Intakes` and `IntakeUsers`
diff --git a/services/intake/pyproject.toml b/services/intake/pyproject.toml
index 4c7a7e942..468e298cc 100644
--- a/services/intake/pyproject.toml
+++ b/services/intake/pyproject.toml
@@ -3,7 +3,7 @@ name = "stackit-intake"
 
 [tool.poetry]
 name = "stackit-intake"
-version = "v0.1.0"
+version = "v0.1.1"
 authors = [
     "STACKIT Developer Tools <developer-tools@stackit.cloud>",
 ]
@@ -96,4 +96,4 @@ docstring-quotes = '"""'
 multiline-quotes = '"""'
 ban-relative-imports = true
 # Exclude generated code 
-extend-exclude = [ "src/stackit/*/models/*", "src/stackit/*/api/*", "src/stackit/*/*.py" ]
\ No newline at end of file
+extend-exclude = [ "src/stackit/*/models/*", "src/stackit/*/api/*", "src/stackit/*/*.py" ]
diff --git a/services/intake/src/stackit/intake/__init__.py b/services/intake/src/stackit/intake/__init__.py
index 3786ed5cc..2e9c2b267 100644
--- a/services/intake/src/stackit/intake/__init__.py
+++ b/services/intake/src/stackit/intake/__init__.py
@@ -7,7 +7,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/api/default_api.py b/services/intake/src/stackit/intake/api/default_api.py
index 94ef4c99b..f7f13acb2 100644
--- a/services/intake/src/stackit/intake/api/default_api.py
+++ b/services/intake/src/stackit/intake/api/default_api.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/api_client.py b/services/intake/src/stackit/intake/api_client.py
index 739161e42..8f8a5e94a 100644
--- a/services/intake/src/stackit/intake/api_client.py
+++ b/services/intake/src/stackit/intake/api_client.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/configuration.py b/services/intake/src/stackit/intake/configuration.py
index 79c77936f..5445d509f 100644
--- a/services/intake/src/stackit/intake/configuration.py
+++ b/services/intake/src/stackit/intake/configuration.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/exceptions.py b/services/intake/src/stackit/intake/exceptions.py
index 67f5f36d2..989acaee0 100644
--- a/services/intake/src/stackit/intake/exceptions.py
+++ b/services/intake/src/stackit/intake/exceptions.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/__init__.py b/services/intake/src/stackit/intake/models/__init__.py
index b74e8dd9a..4396cb623 100644
--- a/services/intake/src/stackit/intake/models/__init__.py
+++ b/services/intake/src/stackit/intake/models/__init__.py
@@ -6,7 +6,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/catalog_auth.py b/services/intake/src/stackit/intake/models/catalog_auth.py
index 9c3cdf9d7..3b81e19ee 100644
--- a/services/intake/src/stackit/intake/models/catalog_auth.py
+++ b/services/intake/src/stackit/intake/models/catalog_auth.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/catalog_auth_patch.py b/services/intake/src/stackit/intake/models/catalog_auth_patch.py
index 045885ff7..3f98f2e32 100644
--- a/services/intake/src/stackit/intake/models/catalog_auth_patch.py
+++ b/services/intake/src/stackit/intake/models/catalog_auth_patch.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/catalog_auth_type.py b/services/intake/src/stackit/intake/models/catalog_auth_type.py
index c98d19f24..abb0cf661 100644
--- a/services/intake/src/stackit/intake/models/catalog_auth_type.py
+++ b/services/intake/src/stackit/intake/models/catalog_auth_type.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/client_config.py b/services/intake/src/stackit/intake/models/client_config.py
index 51c0534e1..31f46067c 100644
--- a/services/intake/src/stackit/intake/models/client_config.py
+++ b/services/intake/src/stackit/intake/models/client_config.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/create_intake_payload.py b/services/intake/src/stackit/intake/models/create_intake_payload.py
index 910e34b9b..128d85040 100644
--- a/services/intake/src/stackit/intake/models/create_intake_payload.py
+++ b/services/intake/src/stackit/intake/models/create_intake_payload.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/create_intake_runner_payload.py b/services/intake/src/stackit/intake/models/create_intake_runner_payload.py
index df794a0f7..342b8f9c4 100644
--- a/services/intake/src/stackit/intake/models/create_intake_runner_payload.py
+++ b/services/intake/src/stackit/intake/models/create_intake_runner_payload.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/create_intake_user_payload.py b/services/intake/src/stackit/intake/models/create_intake_user_payload.py
index 875335aa8..521d7da5d 100644
--- a/services/intake/src/stackit/intake/models/create_intake_user_payload.py
+++ b/services/intake/src/stackit/intake/models/create_intake_user_payload.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/dremio_auth.py b/services/intake/src/stackit/intake/models/dremio_auth.py
index 888ece274..5c7844aad 100644
--- a/services/intake/src/stackit/intake/models/dremio_auth.py
+++ b/services/intake/src/stackit/intake/models/dremio_auth.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/dremio_auth_patch.py b/services/intake/src/stackit/intake/models/dremio_auth_patch.py
index aa2bf990f..f75fd5f8e 100644
--- a/services/intake/src/stackit/intake/models/dremio_auth_patch.py
+++ b/services/intake/src/stackit/intake/models/dremio_auth_patch.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/intake_catalog.py b/services/intake/src/stackit/intake/models/intake_catalog.py
index 2b49e48a4..f1e0d3ea6 100644
--- a/services/intake/src/stackit/intake/models/intake_catalog.py
+++ b/services/intake/src/stackit/intake/models/intake_catalog.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/intake_catalog_patch.py b/services/intake/src/stackit/intake/models/intake_catalog_patch.py
index 6ba7feb0e..6596d5f84 100644
--- a/services/intake/src/stackit/intake/models/intake_catalog_patch.py
+++ b/services/intake/src/stackit/intake/models/intake_catalog_patch.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/intake_response.py b/services/intake/src/stackit/intake/models/intake_response.py
index dc4610658..0f830fd51 100644
--- a/services/intake/src/stackit/intake/models/intake_response.py
+++ b/services/intake/src/stackit/intake/models/intake_response.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/intake_runner_response.py b/services/intake/src/stackit/intake/models/intake_runner_response.py
index 0bd56b8c3..e974cd1b6 100644
--- a/services/intake/src/stackit/intake/models/intake_runner_response.py
+++ b/services/intake/src/stackit/intake/models/intake_runner_response.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/intake_user_response.py b/services/intake/src/stackit/intake/models/intake_user_response.py
index dd6be1c40..99430a3e9 100644
--- a/services/intake/src/stackit/intake/models/intake_user_response.py
+++ b/services/intake/src/stackit/intake/models/intake_user_response.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/list_intake_runners_response.py b/services/intake/src/stackit/intake/models/list_intake_runners_response.py
index 1506d3d22..5096ce56e 100644
--- a/services/intake/src/stackit/intake/models/list_intake_runners_response.py
+++ b/services/intake/src/stackit/intake/models/list_intake_runners_response.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/list_intake_users_response.py b/services/intake/src/stackit/intake/models/list_intake_users_response.py
index 45c8174a0..db9c7773a 100644
--- a/services/intake/src/stackit/intake/models/list_intake_users_response.py
+++ b/services/intake/src/stackit/intake/models/list_intake_users_response.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/list_intakes_response.py b/services/intake/src/stackit/intake/models/list_intakes_response.py
index f536a3a06..d636f62dd 100644
--- a/services/intake/src/stackit/intake/models/list_intakes_response.py
+++ b/services/intake/src/stackit/intake/models/list_intakes_response.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/update_intake_payload.py b/services/intake/src/stackit/intake/models/update_intake_payload.py
index b30d4db17..651eba96b 100644
--- a/services/intake/src/stackit/intake/models/update_intake_payload.py
+++ b/services/intake/src/stackit/intake/models/update_intake_payload.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/update_intake_runner_payload.py b/services/intake/src/stackit/intake/models/update_intake_runner_payload.py
index 3bba6510a..5791c2e44 100644
--- a/services/intake/src/stackit/intake/models/update_intake_runner_payload.py
+++ b/services/intake/src/stackit/intake/models/update_intake_runner_payload.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
@@ -39,11 +39,13 @@ class UpdateIntakeRunnerPayload(BaseModel):
         default=None,
         description="Labels are key-value pairs associated with the resource. To update labels:   - Provide a new set of key-value pairs to replace the existing labels.   - Send empty object `{}` to remove all labels.   - Omit this field to leave the labels unchanged. ",
     )
-    max_message_size_ki_b: StrictInt = Field(
-        description="The maximum size of a message in kibibytes (1 KiB = 1024 bytes).", alias="maxMessageSizeKiB"
+    max_message_size_ki_b: Optional[StrictInt] = Field(
+        default=None,
+        description="The maximum size of a message in kibibytes (1 KiB = 1024 bytes).",
+        alias="maxMessageSizeKiB",
     )
-    max_messages_per_hour: StrictInt = Field(
-        description="The maximum number of messages per hour.", alias="maxMessagesPerHour"
+    max_messages_per_hour: Optional[StrictInt] = Field(
+        default=None, description="The maximum number of messages per hour.", alias="maxMessagesPerHour"
     )
     __properties: ClassVar[List[str]] = [
         "description",
diff --git a/services/intake/src/stackit/intake/models/update_intake_user_payload.py b/services/intake/src/stackit/intake/models/update_intake_user_payload.py
index 50e1abd5d..88c890293 100644
--- a/services/intake/src/stackit/intake/models/update_intake_user_payload.py
+++ b/services/intake/src/stackit/intake/models/update_intake_user_payload.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/models/user_type.py b/services/intake/src/stackit/intake/models/user_type.py
index 4ba2ca4fd..4bb376719 100644
--- a/services/intake/src/stackit/intake/models/user_type.py
+++ b/services/intake/src/stackit/intake/models/user_type.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
diff --git a/services/intake/src/stackit/intake/rest.py b/services/intake/src/stackit/intake/rest.py
index e6f486e18..07c13b656 100644
--- a/services/intake/src/stackit/intake/rest.py
+++ b/services/intake/src/stackit/intake/rest.py
@@ -5,7 +5,7 @@
 
     This API provides endpoints for managing Intakes. 
 
-    The version of the OpenAPI document: 1beta.2.1
+    The version of the OpenAPI document: 1beta.2.3
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.