diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 10d53e3a..a3906fc0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.8.1"
+  ".": "2.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87051fdf..968037c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [2.9.0](https://github.com/open-feature/dotnet-sdk/compare/v2.8.1...v2.9.0) (2025-09-04)
+
+
+### ✨ New Features
+
+* Add multi-provider support ([#488](https://github.com/open-feature/dotnet-sdk/issues/488)) ([7237053](https://github.com/open-feature/dotnet-sdk/commit/7237053561d9c36194197169734522f0b978f6e5))
+
+
+### 🚀 Performance
+
+* Add NativeAOT Support ([#554](https://github.com/open-feature/dotnet-sdk/issues/554)) ([acd0486](https://github.com/open-feature/dotnet-sdk/commit/acd0486563f7b67a782ee169315922fb5d0f343e))
+
 ## [2.8.1](https://github.com/open-feature/dotnet-sdk/compare/v2.8.0...v2.8.1) (2025-07-31)
 
 
diff --git a/README.md b/README.md
index c263023f..87eaa9c4 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,8 @@
 
 [![Specification](https://img.shields.io/static/v1?label=specification&message=v0.8.0&color=yellow&style=for-the-badge)](https://github.com/open-feature/spec/releases/tag/v0.8.0)
 [
-![Release](https://img.shields.io/static/v1?label=release&message=v2.8.1&color=blue&style=for-the-badge) <!-- x-release-please-version -->
-](https://github.com/open-feature/dotnet-sdk/releases/tag/v2.8.1) <!-- x-release-please-version -->
+![Release](https://img.shields.io/static/v1?label=release&message=v2.9.0&color=blue&style=for-the-badge) <!-- x-release-please-version -->
+](https://github.com/open-feature/dotnet-sdk/releases/tag/v2.9.0) <!-- x-release-please-version -->
 
 [![Slack](https://img.shields.io/badge/slack-%40cncf%2Fopenfeature-brightgreen?style=flat&logo=slack)](https://cloud-native.slack.com/archives/C0344AANLA1)
 [![Codecov](https://codecov.io/gh/open-feature/dotnet-sdk/branch/main/graph/badge.svg?token=MONAVJBXUJ)](https://codecov.io/gh/open-feature/dotnet-sdk)
diff --git a/build/Common.prod.props b/build/Common.prod.props
index 7feb1759..f1a21cc2 100644
--- a/build/Common.prod.props
+++ b/build/Common.prod.props
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionNumber>2.8.1</VersionNumber> <!--x-release-please-version -->
+    <VersionNumber>2.9.0</VersionNumber> <!--x-release-please-version -->
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/open-feature/dotnet-sdk</RepositoryUrl>
     <Description>OpenFeature is an open standard for feature flag management, created to support a robust feature flag ecosystem using cloud native technologies. OpenFeature will provide a unified API and SDK, and a developer-first, cloud-native implementation, with extensibility for open source and commercial offerings.</Description>
diff --git a/version.txt b/version.txt
index dbe59006..c8e38b61 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.8.1
+2.9.0