diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c817096..17cea72 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.0.0"
+  ".": "9.0.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0db746d..a721bae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [9.0.0](https://github.com/trycourier/courier-python/compare/v8.0.0...v9.0.0) (2026-08-17)
+
+
+### ⚠ BREAKING CHANGES
+
+* **api:** match the spec to the backend — apn/expo token types and the phantom notifications.duplicate ([#171](https://github.com/trycourier/courier-python/issues/171))
+
+### Features
+
+* **api:** match the spec to the backend — apn/expo token types and the phantom notifications.duplicate ([#171](https://github.com/trycourier/courier-python/issues/171)) ([d73f333](https://github.com/trycourier/courier-python/commit/d73f3339d624a0e9dba130fff7569649424c3fe2))
+
 ## [8.0.0](https://github.com/trycourier/courier-python/compare/v7.26.2...v8.0.0) (2026-08-17)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 82d7a2d..97b9dfc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "trycourier"
-version = "8.0.0"
+version = "9.0.0"
 description = "The official Python library for the Courier API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/courier/_version.py b/src/courier/_version.py
index acdd58a..132dfa4 100644
--- a/src/courier/_version.py
+++ b/src/courier/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "courier"
-__version__ = "8.0.0"  # x-release-please-version
+__version__ = "9.0.0"  # x-release-please-version