diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71c3cb3ed..4917a5880 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -78,6 +78,8 @@
     - **Chore:** Bump minimum Python version to 3.10
     - **Chore:** Update dependencies
 - `loadbalancer`
+  - [v0.12.0](services/loadbalancer/CHANGELOG.md#v0120)
+    - **Feature:** Add new enum values `TYPE_IP_EXHAUSTED`, `TYPE_DNS_NOT_CONFIGURED` and `TYPE_VM_PORT_NOT_CONFIGURED` to `LoadBalancerError` model
   - [v0.11.0](services/loadbalancer/CHANGELOG.md#v0110)
     - **Chore:** Bump minimum Python version to 3.10
     - **Chore:** Update dependencies
diff --git a/services/loadbalancer/CHANGELOG.md b/services/loadbalancer/CHANGELOG.md
index c0e114be3..de7e09c9e 100644
--- a/services/loadbalancer/CHANGELOG.md
+++ b/services/loadbalancer/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v0.12.0
+- **Feature:** Add new enum values `TYPE_IP_EXHAUSTED`, `TYPE_DNS_NOT_CONFIGURED` and `TYPE_VM_PORT_NOT_CONFIGURED` to `LoadBalancerError` model
+
 ## v0.11.0
 - **Chore:** Bump minimum Python version to 3.10
 - **Chore:** Update dependencies
diff --git a/services/loadbalancer/oas_commit b/services/loadbalancer/oas_commit
index 36076afe8..6de9e0d73 100644
--- a/services/loadbalancer/oas_commit
+++ b/services/loadbalancer/oas_commit
@@ -1 +1 @@
-87a3ad63dec0a953ff5c6072ad9a15fddd8ec5f8
+425d0d7efa3593494efd4f608f4f887187465c1d
diff --git a/services/loadbalancer/pyproject.toml b/services/loadbalancer/pyproject.toml
index c03184111..0154485fa 100644
--- a/services/loadbalancer/pyproject.toml
+++ b/services/loadbalancer/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "stackit-loadbalancer"
-version = "v0.11.0"
+version = "v0.12.0"
 description = "Load Balancer API"
 authors = [{ name = "STACKIT Developer Tools", email = "developer-tools@stackit.cloud" }]
 requires-python = ">=3.10,<4.0"
diff --git a/services/loadbalancer/src/stackit/loadbalancer/models/load_balancer_error.py b/services/loadbalancer/src/stackit/loadbalancer/models/load_balancer_error.py
index 4ed89f914..e5cdb4f5d 100644
--- a/services/loadbalancer/src/stackit/loadbalancer/models/load_balancer_error.py
+++ b/services/loadbalancer/src/stackit/loadbalancer/models/load_balancer_error.py
@@ -55,10 +55,13 @@ def type_validate_enum(cls, value):
                 "TYPE_METRICS_MISCONFIGURED",
                 "TYPE_LOGS_MISCONFIGURED",
                 "TYPE_FIP_NOT_FOUND",
+                "TYPE_IP_EXHAUSTED",
+                "TYPE_DNS_NOT_CONFIGURED",
+                "TYPE_VM_PORT_NOT_CONFIGURED",
             ]
         ):
             raise ValueError(
-                "must be one of enum values ('TYPE_UNSPECIFIED', 'TYPE_INTERNAL', 'TYPE_QUOTA_SECGROUP_EXCEEDED', 'TYPE_QUOTA_SECGROUPRULE_EXCEEDED', 'TYPE_PORT_NOT_CONFIGURED', 'TYPE_FIP_NOT_CONFIGURED', 'TYPE_TARGET_NOT_ACTIVE', 'TYPE_METRICS_MISCONFIGURED', 'TYPE_LOGS_MISCONFIGURED', 'TYPE_FIP_NOT_FOUND')"
+                "must be one of enum values ('TYPE_UNSPECIFIED', 'TYPE_INTERNAL', 'TYPE_QUOTA_SECGROUP_EXCEEDED', 'TYPE_QUOTA_SECGROUPRULE_EXCEEDED', 'TYPE_PORT_NOT_CONFIGURED', 'TYPE_FIP_NOT_CONFIGURED', 'TYPE_TARGET_NOT_ACTIVE', 'TYPE_METRICS_MISCONFIGURED', 'TYPE_LOGS_MISCONFIGURED', 'TYPE_FIP_NOT_FOUND', 'TYPE_IP_EXHAUSTED', 'TYPE_DNS_NOT_CONFIGURED', 'TYPE_VM_PORT_NOT_CONFIGURED')"
             )
         return value
 
diff --git a/services/loadbalancer/uv.lock b/services/loadbalancer/uv.lock
index 95f8c74a9..09c95f2b7 100644
--- a/services/loadbalancer/uv.lock
+++ b/services/loadbalancer/uv.lock
@@ -413,7 +413,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version < '3.11'" },
+    { name = "typing-extensions" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
 wheels = [
@@ -1057,7 +1057,7 @@ dev = [
 
 [[package]]
 name = "stackit-loadbalancer"
-version = "0.11.0"
+version = "0.12.0"
 source = { editable = "." }
 dependencies = [
     { name = "pydantic" },