diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ecd3caac..f660899e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "9.17.0"
+  ".": "9.18.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3663832b..f2071ed0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,19 @@
 
 All notable changes to the LaunchDarkly Python SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [9.18.0](https://github.com/launchdarkly/python-server-sdk/compare/9.17.0...9.18.0) (2026-09-08)
+
+
+### Features
+
+* warn that payload filtering has no effect with FDv2 ([#518](https://github.com/launchdarkly/python-server-sdk/issues/518)) ([296311f](https://github.com/launchdarkly/python-server-sdk/commit/296311f9ea73f09e96bd8dfb7410405e08794776))
+
+
+### Bug Fixes
+
+* Add async modules to the readthedocs API reference ([#513](https://github.com/launchdarkly/python-server-sdk/issues/513)) ([f40d3b2](https://github.com/launchdarkly/python-server-sdk/commit/f40d3b22c808e829e9deb4ac5feab05db85674e8))
+* Report a distinct User-Agent for the async client ([#516](https://github.com/launchdarkly/python-server-sdk/issues/516)) ([514c467](https://github.com/launchdarkly/python-server-sdk/commit/514c46780cf5aa593c1f791bd1335c7048f6d235))
+
 ## [9.17.0](https://github.com/launchdarkly/python-server-sdk/compare/9.16.1...9.17.0) (2026-08-28)
 
 
diff --git a/PROVENANCE.md b/PROVENANCE.md
index 7158e427..248eb3f9 100644
--- a/PROVENANCE.md
+++ b/PROVENANCE.md
@@ -9,7 +9,7 @@ To verify build provenance attestations, we recommend using the [GitHub CLI `att
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-SDK_VERSION=9.17.0
+SDK_VERSION=9.18.0
 ```
 <!-- x-release-please-end -->
 
diff --git a/ldclient/version.py b/ldclient/version.py
index 948c073d..9778ac5e 100644
--- a/ldclient/version.py
+++ b/ldclient/version.py
@@ -1 +1 @@
-VERSION = "9.17.0"  # x-release-please-version
+VERSION = "9.18.0"  # x-release-please-version
diff --git a/pyproject.toml b/pyproject.toml
index 826a5291..654d1579 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "launchdarkly-server-sdk"
-version = "9.17.0"
+version = "9.18.0"
 description = "LaunchDarkly SDK for Python"
 authors = [
     {name = "LaunchDarkly", email = "dev@launchdarkly.com"}