diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index fbd9082..4a2f7e6 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.5.0"
+  ".": "1.5.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index ec17d36..b30ce95 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 10
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/not-diamond-dragos199993%2Fnotdiamond-72805bdafb3a74871a4e73794aa52080bf3da1d51f346e2a02835a69564b3788.yml
-openapi_spec_hash: cafc2ae91e3f8d730ee5f0a7ab4f9dd4
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/not-diamond-dragos199993%2Fnotdiamond-ea8fcb54447097dfc8992a93f4283b84ee8cd184b04d62ddc491b915aed62a51.yml
+openapi_spec_hash: 46ae85ad2c5eaf906ccceee0be862cce
 config_hash: 6e44acd1a6119ab3c3547e5fec6f5638
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf80873..43a091d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## 1.5.1 (2026-02-13)
+
+Full Changelog: [v1.5.0...v1.5.1](https://github.com/Not-Diamond/not-diamond-python/compare/v1.5.0...v1.5.1)
+
+### Chores
+
+* format all `api.md` files ([8febad2](https://github.com/Not-Diamond/not-diamond-python/commit/8febad237de882dd951430312e9405550d886a80))
+* **internal:** bump dependencies ([fd1873d](https://github.com/Not-Diamond/not-diamond-python/commit/fd1873d2be995bff5a50365213c684a4373c6a25))
+* **internal:** fix lint error on Python 3.14 ([c8f2481](https://github.com/Not-Diamond/not-diamond-python/commit/c8f2481d092ee82c6912a1965a79de732ce29ef3))
+
 ## 1.5.0 (2026-01-30)
 
 Full Changelog: [v1.4.0...v1.5.0](https://github.com/Not-Diamond/not-diamond-python/compare/v1.4.0...v1.5.0)
diff --git a/pyproject.toml b/pyproject.toml
index 90244fc..d0facfd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "notdiamond"
-version = "1.5.0"
+version = "1.5.1"
 description = "The official Python library for the notdiamond API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -69,7 +69,7 @@ format = { chain = [
   # run formatting again to fix any inconsistencies when imports are stripped
   "format:ruff",
 ]}
-"format:docs" = "python scripts/utils/ruffen-docs.py README.md api.md"
+"format:docs" = "bash -c 'python scripts/utils/ruffen-docs.py README.md $(find . -type f -name api.md)'"
 "format:ruff" = "ruff format"
 
 "lint" = { chain = [
diff --git a/requirements-dev.lock b/requirements-dev.lock
index e39563c..5b13dc4 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -12,14 +12,14 @@
 -e file:.
 aiohappyeyeballs==2.6.1
     # via aiohttp
-aiohttp==3.13.2
+aiohttp==3.13.3
     # via httpx-aiohttp
     # via notdiamond
 aiosignal==1.4.0
     # via aiohttp
 annotated-types==0.7.0
     # via pydantic
-anyio==4.12.0
+anyio==4.12.1
     # via httpx
     # via notdiamond
 argcomplete==3.6.3
@@ -31,7 +31,7 @@ attrs==25.4.0
     # via nox
 backports-asyncio-runner==1.2.0
     # via pytest-asyncio
-certifi==2025.11.12
+certifi==2026.1.4
     # via httpcore
     # via httpx
 colorlog==6.10.1
@@ -61,7 +61,7 @@ httpx==0.28.1
     # via httpx-aiohttp
     # via notdiamond
     # via respx
-httpx-aiohttp==0.1.9
+httpx-aiohttp==0.1.12
     # via notdiamond
 humanize==4.13.0
     # via nox
@@ -69,7 +69,7 @@ idna==3.11
     # via anyio
     # via httpx
     # via yarl
-importlib-metadata==8.7.0
+importlib-metadata==8.7.1
 iniconfig==2.1.0
     # via pytest
 markdown-it-py==3.0.0
@@ -82,14 +82,14 @@ multidict==6.7.0
 mypy==1.17.0
 mypy-extensions==1.1.0
     # via mypy
-nodeenv==1.9.1
+nodeenv==1.10.0
     # via pyright
 nox==2025.11.12
 packaging==25.0
     # via dependency-groups
     # via nox
     # via pytest
-pathspec==0.12.1
+pathspec==1.0.3
     # via mypy
 platformdirs==4.4.0
     # via virtualenv
@@ -115,13 +115,13 @@ python-dateutil==2.9.0.post0
     # via time-machine
 respx==0.22.0
 rich==14.2.0
-ruff==0.14.7
+ruff==0.14.13
 six==1.17.0
     # via python-dateutil
 sniffio==1.3.1
     # via notdiamond
 time-machine==2.19.0
-tomli==2.3.0
+tomli==2.4.0
     # via dependency-groups
     # via mypy
     # via nox
@@ -141,7 +141,7 @@ typing-extensions==4.15.0
     # via virtualenv
 typing-inspection==0.4.2
     # via pydantic
-virtualenv==20.35.4
+virtualenv==20.36.1
     # via nox
 yarl==1.22.0
     # via aiohttp
diff --git a/requirements.lock b/requirements.lock
index 092a741..f978e9f 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -12,21 +12,21 @@
 -e file:.
 aiohappyeyeballs==2.6.1
     # via aiohttp
-aiohttp==3.13.2
+aiohttp==3.13.3
     # via httpx-aiohttp
     # via notdiamond
 aiosignal==1.4.0
     # via aiohttp
 annotated-types==0.7.0
     # via pydantic
-anyio==4.12.0
+anyio==4.12.1
     # via httpx
     # via notdiamond
 async-timeout==5.0.1
     # via aiohttp
 attrs==25.4.0
     # via aiohttp
-certifi==2025.11.12
+certifi==2026.1.4
     # via httpcore
     # via httpx
 distro==1.9.0
@@ -43,7 +43,7 @@ httpcore==1.0.9
 httpx==0.28.1
     # via httpx-aiohttp
     # via notdiamond
-httpx-aiohttp==0.1.9
+httpx-aiohttp==0.1.12
     # via notdiamond
 idna==3.11
     # via anyio
diff --git a/src/notdiamond/_utils/_compat.py b/src/notdiamond/_utils/_compat.py
index dd70323..2c70b29 100644
--- a/src/notdiamond/_utils/_compat.py
+++ b/src/notdiamond/_utils/_compat.py
@@ -26,7 +26,7 @@ def is_union(tp: Optional[Type[Any]]) -> bool:
     else:
         import types
 
-        return tp is Union or tp is types.UnionType
+        return tp is Union or tp is types.UnionType  # type: ignore[comparison-overlap]
 
 
 def is_typeddict(tp: Type[Any]) -> bool:
diff --git a/src/notdiamond/_version.py b/src/notdiamond/_version.py
index 2d01b59..7c95ddc 100644
--- a/src/notdiamond/_version.py
+++ b/src/notdiamond/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "notdiamond"
-__version__ = "1.5.0"  # x-release-please-version
+__version__ = "1.5.1"  # x-release-please-version