diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 22aa3cfd348..3e0989cc9f5 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,13 +3,13 @@
 {
     "name": "Python 3",
     // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-    // "image": "mcr.microsoft.com/devcontainers/python:3.9-bookworm",
     // "image": "mcr.microsoft.com/devcontainers/python:3.10-bookworm",
     // "image": "mcr.microsoft.com/devcontainers/python:3.11-bookworm",
     // "image": "mcr.microsoft.com/devcontainers/python:3.12-bookworm",
     // "image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
     //"image": "mcr.microsoft.com/devcontainers/python:3.13-bookworm",
-    "image": "mcr.microsoft.com/devcontainers/python:3.13-bullseye",
+    //"image": "mcr.microsoft.com/devcontainers/python:3.13-bullseye",
+    "image": "mcr.microsoft.com/devcontainers/python:3.14-bookworm",
   
     "features": {
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c1ae1ceedf5..29f5faefd8d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps: 
       - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/pyproject.toml b/pyproject.toml
index d3bb2e9ebe7..3f88c41f20e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,18 +19,18 @@ dependencies = [
     "msgraph_core >=1.3.1"
 
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = "MIT"
 license-files = ["LICENSE"]
 readme = "README.md"
 keywords = ["msgraph", "openAPI", "Microsoft", "Graph", "beta"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 [project.optional-dependencies]