diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3800c0691dc..44204dd0484 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "1.8.0"
+    ".": "1.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a7d00514fd..b0e70bc5c01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 All notable changes to this project will be documented in this file.
 
 
+## [1.9.0](https://github.com/microsoftgraph/msgraph-sdk-python/compare/v1.8.0...v1.9.0) (2024-10-03)
+
+
+### Features
+
+* **generation:** update request builders and models ([9914367](https://github.com/microsoftgraph/msgraph-sdk-python/commit/99143673f50ae9773594269c2c7d1f4c0368f182))
+
 ## [1.8.0](https://github.com/microsoftgraph/msgraph-sdk-python/compare/v1.7.0...v1.8.0) (2024-09-18)
 
 
diff --git a/msgraph/_version.py b/msgraph/_version.py
index 04241d1cc89..c3b41071e8c 100644
--- a/msgraph/_version.py
+++ b/msgraph/_version.py
@@ -1,4 +1,4 @@
 # The SDK version
 # x-release-please-start-version
-VERSION: str = '1.8.0'
+VERSION: str = '1.9.0'
 # x-release-please-end
diff --git a/pyproject.toml b/pyproject.toml
index dfe798be95e..271035545d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "flit_core.buildapi"
 name = "msgraph-sdk"
 # The SDK version
 # x-release-please-start-version
-version = "1.8.0"
+version = "1.9.0"
 # x-release-please-end
 authors = [{name = "Microsoft", email = "graphtooling+python@microsoft.com"}]
 description = "The Microsoft Graph Python SDK"