diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 35c30ad..81d2de2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.30.0"
+  ".": "1.31.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b59662..4642446 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [1.31.0](https://github.com/OneBusAway/python-sdk/compare/v1.30.0...v1.31.0) (2026-08-23)
+
+
+### Features
+
+* initial stlc build ([c91ec67](https://github.com/OneBusAway/python-sdk/commit/c91ec67761db717c58aa41b79debb9365c20f58c))
+
+
+### Bug Fixes
+
+* add release-please config to all targets ([f958746](https://github.com/OneBusAway/python-sdk/commit/f95874608c69011efc6217b879e2ccfbfdac7dba))
+* update agency endpoint description ([c1dfee7](https://github.com/OneBusAway/python-sdk/commit/c1dfee7a9acdd79e79cad5fbf1d429e1cd923e15))
+
+
+### Chores
+
+* add stlc promote and sync workflows ([1ce6b9c](https://github.com/OneBusAway/python-sdk/commit/1ce6b9cfe1b437adb4f53355d9a858c93287c12f))
+
 ## 1.30.0 (2026-07-18)
 
 Full Changelog: [v1.29.0...v1.30.0](https://github.com/OneBusAway/python-sdk/compare/v1.29.0...v1.30.0)
diff --git a/pyproject.toml b/pyproject.toml
index c8c9edc..14c9964 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "onebusaway"
-version = "1.30.0"
+version = "1.31.0"
 description = "The official Python library for the onebusaway-sdk API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/onebusaway/_version.py b/src/onebusaway/_version.py
index fde4e29..896ee6a 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__ = "1.30.0"  # x-release-please-version
+__version__ = "1.31.0"  # x-release-please-version