diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68ef435..84b4bce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,12 +1,14 @@
 name: CI
 on:
   push:
-    branches-ignore:
-      - 'generated'
-      - 'codegen/**'
-      - 'integrated/**'
-      - 'stl-preview-head/**'
-      - 'stl-preview-base/**'
+    branches:
+      - '**'
+      - '!integrated/**'
+      - '!stl-preview-head/**'
+      - '!stl-preview-base/**'
+      - '!generated'
+      - '!codegen/**'
+      - 'codegen/stl/**'
   pull_request:
     branches-ignore:
       - 'stl-preview-head/**'
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 397c420..efc2d51 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.22.0"
+  ".": "1.22.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 711e52d..9ab862c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 1.22.1 (2026-03-17)
+
+Full Changelog: [v1.22.0...v1.22.1](https://github.com/OneBusAway/python-sdk/compare/v1.22.0...v1.22.1)
+
+### Bug Fixes
+
+* **deps:** bump minimum typing-extensions version ([13f6b82](https://github.com/OneBusAway/python-sdk/commit/13f6b82ee19b6e51b29e800ce5715f967db07b64))
+* **pydantic:** do not pass `by_alias` unless set ([658f6ca](https://github.com/OneBusAway/python-sdk/commit/658f6ca0c5da679a8a771952e19fbef3654bc66b))
+
+
+### Chores
+
+* **internal:** tweak CI branches ([0187280](https://github.com/OneBusAway/python-sdk/commit/0187280015c3dd74afef273cc66cb8892ff8c772))
+
 ## 1.22.0 (2026-03-14)
 
 Full Changelog: [v1.21.0...v1.22.0](https://github.com/OneBusAway/python-sdk/compare/v1.21.0...v1.22.0)
diff --git a/pyproject.toml b/pyproject.toml
index 1036225..10c2fe6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "onebusaway"
-version = "1.22.0"
+version = "1.22.1"
 description = "The official Python library for the onebusaway-sdk API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -11,7 +11,7 @@ authors = [
 dependencies = [
   "httpx>=0.23.0, <1",
   "pydantic>=1.9.0, <3",
-  "typing-extensions>=4.10, <5",
+  "typing-extensions>=4.14, <5",
   "anyio>=3.5.0, <5",
   "distro>=1.7.0, <2",
   "sniffio",
diff --git a/src/onebusaway/_compat.py b/src/onebusaway/_compat.py
index 786ff42..e6690a4 100644
--- a/src/onebusaway/_compat.py
+++ b/src/onebusaway/_compat.py
@@ -2,7 +2,7 @@
 
 from typing import TYPE_CHECKING, Any, Union, Generic, TypeVar, Callable, cast, overload
 from datetime import date, datetime
-from typing_extensions import Self, Literal
+from typing_extensions import Self, Literal, TypedDict
 
 import pydantic
 from pydantic.fields import FieldInfo
@@ -131,6 +131,10 @@ def model_json(model: pydantic.BaseModel, *, indent: int | None = None) -> str:
     return model.model_dump_json(indent=indent)
 
 
+class _ModelDumpKwargs(TypedDict, total=False):
+    by_alias: bool
+
+
 def model_dump(
     model: pydantic.BaseModel,
     *,
@@ -142,6 +146,9 @@ def model_dump(
     by_alias: bool | None = None,
 ) -> dict[str, Any]:
     if (not PYDANTIC_V1) or hasattr(model, "model_dump"):
+        kwargs: _ModelDumpKwargs = {}
+        if by_alias is not None:
+            kwargs["by_alias"] = by_alias
         return model.model_dump(
             mode=mode,
             exclude=exclude,
@@ -149,7 +156,7 @@ def model_dump(
             exclude_defaults=exclude_defaults,
             # warnings are not supported in Pydantic v1
             warnings=True if PYDANTIC_V1 else warnings,
-            by_alias=by_alias,
+            **kwargs,
         )
     return cast(
         "dict[str, Any]",
diff --git a/src/onebusaway/_version.py b/src/onebusaway/_version.py
index 6f32ea8..bb45419 100644
--- a/src/onebusaway/_version.py
+++ b/src/onebusaway/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "onebusaway"
-__version__ = "1.22.0"  # x-release-please-version
+__version__ = "1.22.1"  # x-release-please-version