diff --git a/dotnet/eng/MetaInfo.props b/dotnet/eng/MetaInfo.props
index 61aa63b5ec7a..c6eeaf843435 100644
--- a/dotnet/eng/MetaInfo.props
+++ b/dotnet/eng/MetaInfo.props
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
     <PropertyGroup>
-        <VersionPrefix>0.2.0</VersionPrefix>
+        <VersionPrefix>0.2.1</VersionPrefix>
         <Authors>AutoGen</Authors>
         <PackageProjectUrl>https://microsoft.github.io/autogen-for-net/</PackageProjectUrl>
         <RepositoryUrl>https://github.com/microsoft/autogen</RepositoryUrl>
diff --git a/dotnet/website/release_note/0.2.1.md b/dotnet/website/release_note/0.2.1.md
new file mode 100644
index 000000000000..353cdd080de9
--- /dev/null
+++ b/dotnet/website/release_note/0.2.1.md
@@ -0,0 +1,7 @@
+# Release Notes for AutoGen.Net v0.2.1 🚀
+
+## New Features 🌟
+- **Support for OpenAi o1-preview** : Added support for OpenAI o1-preview model ([#3522](https://github.com/microsoft/autogen/issues/3522))
+
+## Example 📚
+- **OpenAI o1-preview**: [Connect_To_OpenAI_o1_preview](https://github.com/microsoft/autogen/blob/main/dotnet/sample/AutoGen.OpenAI.Sample/Connect_To_OpenAI_o1_preview.cs)
\ No newline at end of file
diff --git a/dotnet/website/release_note/toc.yml b/dotnet/website/release_note/toc.yml
index 770ecdaadf36..133656687d8e 100644
--- a/dotnet/website/release_note/toc.yml
+++ b/dotnet/website/release_note/toc.yml
@@ -1,3 +1,6 @@
+- name: 0.2.1
+  href: 0.2.1.md
+  
 - name: 0.2.0
   href: 0.2.0.md