diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c4b25bb682e..dc66fdec2a2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "5.90.0"
+    ".": "5.91.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03cc78e71b9..0665d46cf7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project does adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.91.0](https://github.com/microsoftgraph/msgraph-sdk-dotnet/compare/5.90.0...5.91.0) (2025-08-20)
+
+
+### Features
+
+* **generation:** update request builders and models ([e7d67e4](https://github.com/microsoftgraph/msgraph-sdk-dotnet/commit/e7d67e4355506a1428fb9ebbfc2a52789bb4a4e3))
+
+
+### Bug Fixes
+
+* build trigger ([#2976](https://github.com/microsoftgraph/msgraph-sdk-dotnet/issues/2976)) ([4658040](https://github.com/microsoftgraph/msgraph-sdk-dotnet/commit/4658040e2e5cb550201bf62124f17476df1242c8))
+
 ## [5.90.0](https://github.com/microsoftgraph/msgraph-sdk-dotnet/compare/5.89.0...5.90.0) (2025-08-12)
 
 
diff --git a/src/Microsoft.Graph/Microsoft.Graph.csproj b/src/Microsoft.Graph/Microsoft.Graph.csproj
index 9a235c00359..2b645cb91df 100644
--- a/src/Microsoft.Graph/Microsoft.Graph.csproj
+++ b/src/Microsoft.Graph/Microsoft.Graph.csproj
@@ -23,7 +23,7 @@
     <AssemblyOriginatorKeyFile>35MSSharedLib1024.snk</AssemblyOriginatorKeyFile>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <!-- x-release-please-start-version -->
-    <VersionPrefix>5.90.0</VersionPrefix>
+    <VersionPrefix>5.91.0</VersionPrefix>
     <!-- x-release-please-end -->
     <!-- VersionPrefix minor version should not be set when the change comes from the generator. It will be updated automatically. -->
     <!-- VersionPrefix minor version must be manually set when making manual changes to code. -->