diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbddf76..489f63b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.1.0-alpha] - 2024-04-21
 
 ### Added
 
diff --git a/RyuSocks/RyuSocks.csproj b/RyuSocks/RyuSocks.csproj
index 3dee099..bbc5bc1 100644
--- a/RyuSocks/RyuSocks.csproj
+++ b/RyuSocks/RyuSocks.csproj
@@ -2,7 +2,7 @@
     <PropertyGroup>
         <OutputType>Library</OutputType>
         <TargetFramework>net8.0</TargetFramework>
-        <Version>0.0.0</Version>
+        <Version>0.1.0-alpha</Version>
         <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
         <IsAotCompatible>true</IsAotCompatible>
         <PublishAot>true</PublishAot>