diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 940f2ca3e..93071097c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.11.0"
+  ".": "3.11.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3114853b..d29e769a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [3.11.1](https://github.com/microsoft/OpenAPI.NET/compare/v3.11.0...v3.11.1) (2026-10-23)
+
+
+### Bug Fixes
+
+* **models:** preserve tag collection types and comparers in copy constructors ([#3141](https://github.com/microsoft/OpenAPI.NET/issues/3141)) ([76ea786](https://github.com/microsoft/OpenAPI.NET/commit/76ea786406270d0465831e4c6d1bd50c3685a74b))
+* **models:** preserve tag collection types and comparers in OpenApiDocument copy constructor ([76ea786](https://github.com/microsoft/OpenAPI.NET/commit/76ea786406270d0465831e4c6d1bd50c3685a74b))
+* Support custom tag ordering and null assignment in OpenApiOperation.Tags ([#3128](https://github.com/microsoft/OpenAPI.NET/issues/3128)) ([d868431](https://github.com/microsoft/OpenAPI.NET/commit/d8684318ce83c4a573f83bcd9560c98caac1bfe7))
+* support reinitializing OpenApiOperation.Tags to null and custom comparers ([#3116](https://github.com/microsoft/OpenAPI.NET/issues/3116)) ([4f53ad5](https://github.com/microsoft/OpenAPI.NET/commit/4f53ad590a605237817440646e3cd695d77f082d))
+
 ## [3.11.0](https://github.com/microsoft/OpenAPI.NET/compare/v3.10.2...v3.11.0) (2026-10-19)
 
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 063a25831..67fc22f24 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -14,7 +14,7 @@
     <PackageProjectUrl>https://github.com/Microsoft/OpenAPI.NET</PackageProjectUrl>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>OpenAPI .NET</PackageTags>
-    <Version>3.11.0</Version>
+    <Version>3.11.1</Version>
   </PropertyGroup>
   <!-- https://github.com/clairernovotny/DeterministicBuilds#deterministic-builds -->
   <PropertyGroup Condition="'$(TF_BUILD)' == 'true'">