diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5751134af..985ac8e10 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.6.30"
+  ".": "1.6.31"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d792a29d..b8aaae257 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.6.31](https://github.com/microsoft/OpenAPI.NET/compare/v1.6.30...v1.6.31) (2026-08-20)
+
+
+### Bug Fixes
+
+* circular ref guard ([#3042](https://github.com/microsoft/OpenAPI.NET/issues/3042)) ([02369d0](https://github.com/microsoft/OpenAPI.NET/commit/02369d09cc8044020e415874a85e89c5dff17f67))
+* harden yaml parsing (v1 port) ([#3040](https://github.com/microsoft/OpenAPI.NET/issues/3040)) ([838c847](https://github.com/microsoft/OpenAPI.NET/commit/838c8470efdd46d1cd050db8650cbc9347067f6b))
+
 ## [1.6.30](https://github.com/microsoft/OpenAPI.NET/compare/v1.6.29...v1.6.30) (2026-08-13)
 
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 7fba438ff..48314250c 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>1.6.30</Version>
+    <Version>1.6.31</Version>
   </PropertyGroup>
   <!-- https://github.com/clairernovotny/DeterministicBuilds#deterministic-builds -->
   <PropertyGroup Condition="'$(TF_BUILD)' == 'true'">