diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3293542f5..d484554e9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.402.1"
+  ".": "0.403.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index b52e8c7d7..fe442fee6 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 229
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-bd464d151612058d8029150b376949b22d5515af23621465c0ce1c1069b91644.yml
-openapi_spec_hash: e60e1548c523a0ee7c9daa1bd988cbc5
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-f24e91d60005894c135a6ccad84e179e0a2cb64def7e1101904c430a8e5e5dd9.yml
+openapi_spec_hash: a63e06588ae354c03b68d6cb9d965e11
 config_hash: ca1425272e17fa23d4466d33492334fa
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8f498134..aeddc0a80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.403.0 (2025-12-01)
+
+Full Changelog: [v0.402.1...v0.403.0](https://github.com/Increase/increase-python/compare/v0.402.1...v0.403.0)
+
+### Features
+
+* **api:** api update ([b0fd6a1](https://github.com/Increase/increase-python/commit/b0fd6a1686eea6e154fcd18d1691c4f4fc49ad63))
+
+
+### Chores
+
+* **deps:** mypy 1.18.1 has a regression, pin to 1.17 ([10c021e](https://github.com/Increase/increase-python/commit/10c021ed4c6acd9cc1b2d6854fa27b062e03216b))
+
 ## 0.402.1 (2025-11-27)
 
 Full Changelog: [v0.402.0...v0.402.1](https://github.com/Increase/increase-python/compare/v0.402.0...v0.402.1)
diff --git a/pyproject.toml b/pyproject.toml
index 53ef7b403..7b55156f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "increase"
-version = "0.402.1"
+version = "0.403.0"
 description = "The official Python library for the increase API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -46,7 +46,7 @@ managed = true
 # version pins are in requirements-dev.lock
 dev-dependencies = [
     "pyright==1.1.399",
-    "mypy",
+    "mypy==1.17",
     "respx",
     "pytest",
     "pytest-asyncio",
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 18804abe3..6cfc1ea75 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -72,7 +72,7 @@ mdurl==0.1.2
 multidict==6.4.4
     # via aiohttp
     # via yarl
-mypy==1.14.1
+mypy==1.17.0
 mypy-extensions==1.0.0
     # via mypy
 nodeenv==1.8.0
@@ -81,6 +81,8 @@ nox==2023.4.22
 packaging==23.2
     # via nox
     # via pytest
+pathspec==0.12.1
+    # via mypy
 platformdirs==3.11.0
     # via virtualenv
 pluggy==1.5.0
diff --git a/requirements.lock b/requirements.lock
index ac22be93c..7f4bff497 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -55,21 +55,21 @@ multidict==6.4.4
 propcache==0.3.1
     # via aiohttp
     # via yarl
-pydantic==2.11.9
+pydantic==2.12.5
     # via increase
-pydantic-core==2.33.2
+pydantic-core==2.41.5
     # via pydantic
 sniffio==1.3.0
     # via anyio
     # via increase
-typing-extensions==4.12.2
+typing-extensions==4.15.0
     # via anyio
     # via increase
     # via multidict
     # via pydantic
     # via pydantic-core
     # via typing-inspection
-typing-inspection==0.4.1
+typing-inspection==0.4.2
     # via pydantic
 yarl==1.20.0
     # via aiohttp
diff --git a/src/increase/_version.py b/src/increase/_version.py
index 181d08f67..bf0f091d1 100644
--- a/src/increase/_version.py
+++ b/src/increase/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "increase"
-__version__ = "0.402.1"  # x-release-please-version
+__version__ = "0.403.0"  # x-release-please-version
diff --git a/src/increase/types/check_transfer_create_params.py b/src/increase/types/check_transfer_create_params.py
index c55b483c9..89ea3b122 100644
--- a/src/increase/types/check_transfer_create_params.py
+++ b/src/increase/types/check_transfer_create_params.py
@@ -112,9 +112,8 @@ class PhysicalCheckMailingAddress(TypedDict, total=False):
     phone: str
     """The phone number to associate with the check's destination address.
 
-    Only used if shipping method is `fedex_overnight`. Will be supplied to FedEx as
-    the contact phone number for the recipient to be used in case of delivery
-    issues.
+    The number is only used when `shipping_method` is `fedex_overnight` and will be
+    supplied to FedEx to be used in case of delivery issues.
     """