diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 508f13bb..592b71b4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,13 +36,13 @@ jobs:
         run: ./scripts/lint
 
   build:
-    if: github.repository == 'stainless-sdks/mixedbread-python' && (github.event_name == 'push' || github.event.pull_request.head.repo.fork)
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     timeout-minutes: 10
     name: build
     permissions:
       contents: read
       id-token: write
-    runs-on: depot-ubuntu-24.04
+    runs-on: ${{ github.repository == 'stainless-sdks/mixedbread-python' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     steps:
       - uses: actions/checkout@v4
 
@@ -61,12 +61,14 @@ jobs:
         run: rye build
 
       - name: Get GitHub OIDC Token
+        if: github.repository == 'stainless-sdks/mixedbread-python'
         id: github-oidc
         uses: actions/github-script@v6
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
       - name: Upload tarball
+        if: github.repository == 'stainless-sdks/mixedbread-python'
         env:
           URL: https://pkg.stainless.com/s
           AUTH: ${{ steps.github-oidc.outputs.github_token }}
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8935e932..a6fc929e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.28.0"
+  ".": "0.28.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 1ac23eea..252dd5ab 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 49
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/mixedbread%2Fmixedbread-7c2a2a34f9dcbbc872b3b3a920ad90e64f2313cb45150bc54b66cf49da5c847f.yml
-openapi_spec_hash: 458f00057a397021bab7b374f0191f18
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/mixedbread%2Fmixedbread-c950bdc025566e8000354aef54c6f1c6c4ecbd92f9b6aca231701b8bebdf917e.yml
+openapi_spec_hash: d76b267c95385a291cdb9401a9bdb95e
 config_hash: 22524d9aa927566851636768f6a861cd
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07150aaf..b04977a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.28.1 (2025-08-27)
+
+Full Changelog: [v0.28.0...v0.28.1](https://github.com/mixedbread-ai/mixedbread-python/compare/v0.28.0...v0.28.1)
+
+### Bug Fixes
+
+* avoid newer type syntax ([2a6db66](https://github.com/mixedbread-ai/mixedbread-python/commit/2a6db66daa688b9971785f8bccec32dcc068569d))
+
+
+### Chores
+
+* **internal:** change ci workflow machines ([b9cdd3f](https://github.com/mixedbread-ai/mixedbread-python/commit/b9cdd3fa837aad4a4f860f250298843424797f5b))
+* update github action ([c4ae559](https://github.com/mixedbread-ai/mixedbread-python/commit/c4ae55998996b4a58bc386a7fd2df527d169c0b0))
+
 ## 0.28.0 (2025-08-21)
 
 Full Changelog: [v0.27.0...v0.28.0](https://github.com/mixedbread-ai/mixedbread-python/compare/v0.27.0...v0.28.0)
diff --git a/pyproject.toml b/pyproject.toml
index a60f88e7..e8a36dfb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "mixedbread"
-version = "0.28.0"
+version = "0.28.1"
 description = "The official Python library for the Mixedbread API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/mixedbread/_models.py b/src/mixedbread/_models.py
index b8387ce9..92f7c10b 100644
--- a/src/mixedbread/_models.py
+++ b/src/mixedbread/_models.py
@@ -304,7 +304,7 @@ def model_dump(
                 exclude_none=exclude_none,
             )
 
-            return cast(dict[str, Any], json_safe(dumped)) if mode == "json" else dumped
+            return cast("dict[str, Any]", json_safe(dumped)) if mode == "json" else dumped
 
         @override
         def model_dump_json(
diff --git a/src/mixedbread/_version.py b/src/mixedbread/_version.py
index f6fccb29..12cfe033 100644
--- a/src/mixedbread/_version.py
+++ b/src/mixedbread/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "mixedbread"
-__version__ = "0.28.0"  # x-release-please-version
+__version__ = "0.28.1"  # x-release-please-version