diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2df7bbc..f4bcadd 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.17.5"
+  ".": "1.17.6"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41cc456..1115ee2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.17.6 (2025-10-18)
+
+Full Changelog: [v1.17.5...v1.17.6](https://github.com/OneBusAway/python-sdk/compare/v1.17.5...v1.17.6)
+
+### Chores
+
+* bump `httpx-aiohttp` version to 0.1.9 ([6ae619a](https://github.com/OneBusAway/python-sdk/commit/6ae619af34818d78c53716f91607e57045f503a6))
+
 ## 1.17.5 (2025-10-11)
 
 Full Changelog: [v1.17.4...v1.17.5](https://github.com/OneBusAway/python-sdk/compare/v1.17.4...v1.17.5)
diff --git a/pyproject.toml b/pyproject.toml
index b6bda90..2c0274a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "onebusaway"
-version = "1.17.5"
+version = "1.17.6"
 description = "The official Python library for the onebusaway-sdk API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -39,7 +39,7 @@ Homepage = "https://github.com/OneBusAway/python-sdk"
 Repository = "https://github.com/OneBusAway/python-sdk"
 
 [project.optional-dependencies]
-aiohttp = ["aiohttp", "httpx_aiohttp>=0.1.8"]
+aiohttp = ["aiohttp", "httpx_aiohttp>=0.1.9"]
 
 [tool.rye]
 managed = true
diff --git a/requirements-dev.lock b/requirements-dev.lock
index d6d0d0d..41b54ec 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -56,7 +56,7 @@ httpx==0.28.1
     # via httpx-aiohttp
     # via onebusaway
     # via respx
-httpx-aiohttp==0.1.8
+httpx-aiohttp==0.1.9
     # via onebusaway
 idna==3.4
     # via anyio
diff --git a/requirements.lock b/requirements.lock
index 3780471..11442de 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -43,7 +43,7 @@ httpcore==1.0.9
 httpx==0.28.1
     # via httpx-aiohttp
     # via onebusaway
-httpx-aiohttp==0.1.8
+httpx-aiohttp==0.1.9
     # via onebusaway
 idna==3.4
     # via anyio
diff --git a/src/onebusaway/_version.py b/src/onebusaway/_version.py
index c434703..994b86d 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__ = "1.17.5"  # x-release-please-version
+__version__ = "1.17.6"  # x-release-please-version