diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 65f558e7..656a2ef1 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.0.0"
+  ".": "2.1.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a38c6fc2..ffe31aa0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [2.1.0](https://github.com/microsoft/OpenAPI.NET.OData/compare/v2.0.0...v2.1.0) (2026-01-16)
+
+
+### Features
+
+* allow optional body parameter ([#773](https://github.com/microsoft/OpenAPI.NET.OData/issues/773)) ([caca191](https://github.com/microsoft/OpenAPI.NET.OData/commit/caca1913e3ae47bfc33049a026c65a689b777a85))
+* allow optional body parameter ([#773](https://github.com/microsoft/OpenAPI.NET.OData/issues/773)) ([0a20869](https://github.com/microsoft/OpenAPI.NET.OData/commit/0a208694394f8ed88efbb4ae352f502a253da7b6))
+
 ## [2.0.0](https://github.com/microsoft/OpenAPI.NET.OData/compare/v2.0.0-preview.18...v2.0.0) (2025-07-10)
 
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 727f6782..eb0aa211 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -13,7 +13,7 @@
     <PackageProjectUrl>https://github.com/Microsoft/OpenAPI.NET.OData</PackageProjectUrl>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>Microsoft OpenApi OData EDM</PackageTags>
-    <Version>2.0.0</Version>
+    <Version>2.1.0</Version>
   </PropertyGroup>
   <!-- https://github.com/clairernovotny/DeterministicBuilds#deterministic-builds -->
   <PropertyGroup Condition="'$(TF_BUILD)' == 'true'">