diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d89511..6eecc53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.6.0] - 2023-11-25
+### Changed
+- Fix doc of FloorSum
+
 ## [3.6.0] - 2023-11-23
 ### Added
 - Add `Parse`/`TryParse` to `ModInt`
diff --git a/Directory.Build.props b/Directory.Build.props
index e6b1222..311c35e 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -7,8 +7,8 @@
     <RepositoryUrl>https://github.com/kzrnm/ac-library-csharp</RepositoryUrl>
     <PackageReleaseNotes>https://github.com/kzrnm/ac-library-csharp/blob/main/CHANGELOG.md</PackageReleaseNotes>
 
-    <Version>3.6.0</Version>
-    <AssemblyVersion>3.6.0.101</AssemblyVersion>
+    <Version>3.6.1</Version>
+    <AssemblyVersion>3.6.1.101</AssemblyVersion>
     <RepositoryCommit Condition="'$(GIT_COMMIT)' != ''">$(GIT_COMMIT)</RepositoryCommit>
 
     <SignAssembly>True</SignAssembly>