diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 72ad9619..8814d63b 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/steel-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/steel-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/steel-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/steel-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 6d78745c..05988747 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.9.0"
+  ".": "0.9.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 8a67e3da..274298a9 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 33
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/nen-labs%2Fsteel-b5496a8d20faef3918563bbf1563b9c1f0ab280fa0aa32baca55faa95c8d8266.yml
-openapi_spec_hash: b776cb76def983d026964ea90cdb3e29
-config_hash: 3dda15a7a3da8ba8e97a8ec239cbcb80
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/nen-labs%2Fsteel-d693d9e2a0618bc5b31d9ebd9d651a63481620201dfab9d60bbc9cb2e4447dc9.yml
+openapi_spec_hash: 33fd12f9846b38655baee7149258df34
+config_hash: 0ac588be60ea913482f5488577c17b6e
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c689b0f..df1a8add 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## 0.9.1 (2025-09-02)
+
+Full Changelog: [v0.9.0...v0.9.1](https://github.com/steel-dev/steel-python/compare/v0.9.0...v0.9.1)
+
+### Bug Fixes
+
+* avoid newer type syntax ([5791302](https://github.com/steel-dev/steel-python/commit/57913023bca4a08a7ae066351a4e44be45212e67))
+* timeout param issues ([8bf1ece](https://github.com/steel-dev/steel-python/commit/8bf1eced7e0966656d67ea4aad207ab5ed8235d4))
+
+
+### Chores
+
+* **internal:** add Sequence related utils ([ec2a5db](https://github.com/steel-dev/steel-python/commit/ec2a5db2fa3ff0855cb8e532a09a4e0a52387191))
+* **internal:** change ci workflow machines ([d7ce4e6](https://github.com/steel-dev/steel-python/commit/d7ce4e63f398c444339528f62c7ea893fc35f4ff))
+* **internal:** update pyright exclude list ([d0b2591](https://github.com/steel-dev/steel-python/commit/d0b2591f9890bd2069e1fb8f997f8c9f34bb5f4c))
+* update github action ([a001e5c](https://github.com/steel-dev/steel-python/commit/a001e5ca1eaaf635369486a859e62350c922e372))
+
 ## 0.9.0 (2025-08-22)
 
 Full Changelog: [v0.8.0...v0.9.0](https://github.com/steel-dev/steel-python/compare/v0.8.0...v0.9.0)
diff --git a/pyproject.toml b/pyproject.toml
index a096beb7..2e53a763 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "steel-sdk"
-version = "0.9.0"
+version = "0.9.1"
 description = "The official Python library for the steel API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -148,6 +148,7 @@ exclude = [
     "_dev",
     ".venv",
     ".nox",
+    ".git",
 ]
 
 reportImplicitOverride = true
diff --git a/src/steel/_models.py b/src/steel/_models.py
index b8387ce9..92f7c10b 100644
--- a/src/steel/_models.py
+++ b/src/steel/_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/steel/_types.py b/src/steel/_types.py
index 883736bb..7fff9b93 100644
--- a/src/steel/_types.py
+++ b/src/steel/_types.py
@@ -13,10 +13,21 @@
     Mapping,
     TypeVar,
     Callable,
+    Iterator,
     Optional,
     Sequence,
 )
-from typing_extensions import Set, Literal, Protocol, TypeAlias, TypedDict, override, runtime_checkable
+from typing_extensions import (
+    Set,
+    Literal,
+    Protocol,
+    TypeAlias,
+    TypedDict,
+    SupportsIndex,
+    overload,
+    override,
+    runtime_checkable,
+)
 
 import httpx
 import pydantic
@@ -217,3 +228,26 @@ class _GenericAlias(Protocol):
 class HttpxSendArgs(TypedDict, total=False):
     auth: httpx.Auth
     follow_redirects: bool
+
+
+_T_co = TypeVar("_T_co", covariant=True)
+
+
+if TYPE_CHECKING:
+    # This works because str.__contains__ does not accept object (either in typeshed or at runtime)
+    # https://github.com/hauntsaninja/useful_types/blob/5e9710f3875107d068e7679fd7fec9cfab0eff3b/useful_types/__init__.py#L285
+    class SequenceNotStr(Protocol[_T_co]):
+        @overload
+        def __getitem__(self, index: SupportsIndex, /) -> _T_co: ...
+        @overload
+        def __getitem__(self, index: slice, /) -> Sequence[_T_co]: ...
+        def __contains__(self, value: object, /) -> bool: ...
+        def __len__(self) -> int: ...
+        def __iter__(self) -> Iterator[_T_co]: ...
+        def index(self, value: Any, start: int = 0, stop: int = ..., /) -> int: ...
+        def count(self, value: Any, /) -> int: ...
+        def __reversed__(self) -> Iterator[_T_co]: ...
+else:
+    # just point this to a normal `Sequence` at runtime to avoid having to special case
+    # deserializing our custom sequence type
+    SequenceNotStr = Sequence
diff --git a/src/steel/_utils/__init__.py b/src/steel/_utils/__init__.py
index d4fda26f..ca547ce5 100644
--- a/src/steel/_utils/__init__.py
+++ b/src/steel/_utils/__init__.py
@@ -38,6 +38,7 @@
     extract_type_arg as extract_type_arg,
     is_iterable_type as is_iterable_type,
     is_required_type as is_required_type,
+    is_sequence_type as is_sequence_type,
     is_annotated_type as is_annotated_type,
     is_type_alias_type as is_type_alias_type,
     strip_annotated_type as strip_annotated_type,
diff --git a/src/steel/_utils/_typing.py b/src/steel/_utils/_typing.py
index 1bac9542..845cd6b2 100644
--- a/src/steel/_utils/_typing.py
+++ b/src/steel/_utils/_typing.py
@@ -26,6 +26,11 @@ def is_list_type(typ: type) -> bool:
     return (get_origin(typ) or typ) == list
 
 
+def is_sequence_type(typ: type) -> bool:
+    origin = get_origin(typ) or typ
+    return origin == typing_extensions.Sequence or origin == typing.Sequence or origin == _c_abc.Sequence
+
+
 def is_iterable_type(typ: type) -> bool:
     """If the given type is `typing.Iterable[T]`"""
     origin = get_origin(typ) or typ
diff --git a/src/steel/_version.py b/src/steel/_version.py
index 35995d6e..8522c69c 100644
--- a/src/steel/_version.py
+++ b/src/steel/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "steel"
-__version__ = "0.9.0"  # x-release-please-version
+__version__ = "0.9.1"  # x-release-please-version
diff --git a/src/steel/resources/sessions/sessions.py b/src/steel/resources/sessions/sessions.py
index afd74998..fc2d3d92 100644
--- a/src/steel/resources/sessions/sessions.py
+++ b/src/steel/resources/sessions/sessions.py
@@ -537,7 +537,7 @@ async def create(
                     "session_id": session_id,
                     "solve_captcha": solve_captcha,
                     "stealth_config": stealth_config,
-                    "api_timeout": api_timeout,
+                    "api_timeout": api_timeout or timeout,
                     "use_proxy": use_proxy,
                     "user_agent": user_agent,
                 },
diff --git a/tests/utils.py b/tests/utils.py
index d722e672..13a0710a 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -4,7 +4,7 @@
 import inspect
 import traceback
 import contextlib
-from typing import Any, TypeVar, Iterator, cast
+from typing import Any, TypeVar, Iterator, Sequence, cast
 from datetime import date, datetime
 from typing_extensions import Literal, get_args, get_origin, assert_type
 
@@ -15,6 +15,7 @@
     is_list_type,
     is_union_type,
     extract_type_arg,
+    is_sequence_type,
     is_annotated_type,
     is_type_alias_type,
 )
@@ -71,6 +72,13 @@ def assert_matches_type(
     if is_list_type(type_):
         return _assert_list_type(type_, value)
 
+    if is_sequence_type(type_):
+        assert isinstance(value, Sequence)
+        inner_type = get_args(type_)[0]
+        for entry in value:  # type: ignore
+            assert_type(inner_type, entry)  # type: ignore
+        return
+
     if origin == str:
         assert isinstance(value, str)
     elif origin == int: