diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index cad7b2949..43354b10b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.6.27"
+  ".": "1.6.28"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e4486319..413a903ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [1.6.28](https://github.com/microsoft/openapi.net/compare/v1.6.27...v1.6.28) (2025-10-06)
+
+
+### Bug Fixes
+
+* Improve server creation and URL handling logic to maintain port ([a15c50e](https://github.com/microsoft/openapi.net/commit/a15c50ef2d13483bb64a5d5767d58da2d89aeee7))
+* missing deserialization for header content property in 3.0 ([7c65a49](https://github.com/microsoft/openapi.net/commit/7c65a49117a869f772cdd91f0cf9c2eea02dc7c5))
+* missing deserialization for header content property in 3.0 ([e256d29](https://github.com/microsoft/openapi.net/commit/e256d29fa8b47f267e63749c36f61283851d8bbc))
+
 ## [1.6.27](https://github.com/microsoft/openapi.net/compare/v1.6.26...v1.6.27) (2025-10-02)
 
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 93bd1f0ef..7d99aad53 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -12,7 +12,7 @@
     <PackageProjectUrl>https://github.com/Microsoft/OpenAPI.NET</PackageProjectUrl>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>OpenAPI .NET</PackageTags>
-    <Version>1.6.27</Version>
+    <Version>1.6.28</Version>
   </PropertyGroup>
   <!-- https://github.com/clairernovotny/DeterministicBuilds#deterministic-builds -->
   <PropertyGroup Condition="'$(TF_BUILD)' == 'true'">