diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89409196a..eb6808cc5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to [**GZCTF**](https://github.com/GZTimeWalker/GZCTF) will be documented in this file.
 
+---
+## [0.21.1](https://github.com/GZTimeWalker/GZCTF/compare/v0.21.0..v0.21.1) - 2024-08-11
+
+### 🐛 Bug Fixes
+
+- **(docker)** handle container conflict when creating - ([c74bb8](https://github.com/GZTimeWalker/GZCTF/commit/c74bb8)) by **GZTime**
+
+### 📦 Other Changes
+
+- add LICENSE_ADDENDUM.txt (#317) - ([89af5d](https://github.com/GZTimeWalker/GZCTF/commit/89af5d)) by **GZTime**
+
 ---
 ## [0.21.0](https://github.com/GZTimeWalker/GZCTF/compare/v0.20.9..v0.21.0) - 2024-07-31
 
diff --git a/docs/package.json b/docs/package.json
index be00d30c4..3cd16cad9 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gzctf-docs",
-  "version": "0.21.0",
+  "version": "0.21.1",
   "private": true,
   "scripts": {
     "dev": "next",
diff --git a/src/GZCTF.Test/GZCTF.Test.csproj b/src/GZCTF.Test/GZCTF.Test.csproj
index 868f6dce1..e5ff5118f 100644
--- a/src/GZCTF.Test/GZCTF.Test.csproj
+++ b/src/GZCTF.Test/GZCTF.Test.csproj
@@ -6,7 +6,7 @@
         <IsPackable>false</IsPackable>
         <CollectCoverage>true</CollectCoverage>
         <Configurations>Debug;Release;GenAPI</Configurations>
-        <ReleaseVersion>0.21.0</ReleaseVersion>
+        <ReleaseVersion>0.21.1</ReleaseVersion>
         <EnablePreviewFeatures>True</EnablePreviewFeatures>
         <WarningLevel>4</WarningLevel>
     </PropertyGroup>
diff --git a/src/GZCTF.sln b/src/GZCTF.sln
index 2881f1638..e92f148ce 100644
--- a/src/GZCTF.sln
+++ b/src/GZCTF.sln
@@ -40,6 +40,6 @@ Global
 		SolutionGuid = {643F6AF8-C22F-4E8E-9AB2-504B7C560CD6}
 	EndGlobalSection
 	GlobalSection(MonoDevelopProperties) = preSolution
-		version = 0.21.0
+		version = 0.21.1
 	EndGlobalSection
 EndGlobal
diff --git a/src/GZCTF/ClientApp/package.json b/src/GZCTF/ClientApp/package.json
index fd59b1c30..564bdc6d1 100644
--- a/src/GZCTF/ClientApp/package.json
+++ b/src/GZCTF/ClientApp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gzctf-client",
-  "version": "0.21.0",
+  "version": "0.21.1",
   "private": true,
   "type": "module",
   "scripts": {
diff --git a/src/GZCTF/GZCTF.csproj b/src/GZCTF/GZCTF.csproj
index 296ee078f..7d95c29e5 100644
--- a/src/GZCTF/GZCTF.csproj
+++ b/src/GZCTF/GZCTF.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>net8.0</TargetFramework>
-        <AssemblyVersion>0.21.0.0</AssemblyVersion>
+        <AssemblyVersion>0.21.1.0</AssemblyVersion>
         <Description>GZ::CTF $(VITE_APP_GIT_NAME)-$(VITE_APP_GIT_SHA) build at $(VITE_APP_BUILD_TIMESTAMP)</Description>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
@@ -18,7 +18,7 @@
         <SpaProxyServerUrl>http://localhost:63000</SpaProxyServerUrl>
         <SpaProxyLaunchCommand>npm run dev -- --host</SpaProxyLaunchCommand>
         <Configurations>Debug;Release</Configurations>
-        <ReleaseVersion>0.21.0</ReleaseVersion>
+        <ReleaseVersion>0.21.1</ReleaseVersion>
         <WarningLevel>4</WarningLevel>
         <ServerGarbageCollection>true</ServerGarbageCollection>
         <GarbageCollectionAdaptationMode>1</GarbageCollectionAdaptationMode>