diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed73e6c..c3995f1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -75,42 +75,42 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-app-${{ github.sha }}-linux-arm64
-          path: CubicBot.Telegram.App/bin/Release/net8.0/linux-arm64/publish/
+          path: CubicBot.Telegram.App/bin/Release/net9.0/linux-arm64/publish/
 
       - name: Upload CubicBot.Telegram.App artifacts for Linux x64
         if: matrix.os == 'ubuntu-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-app-${{ github.sha }}-linux-x64
-          path: CubicBot.Telegram.App/bin/Release/net8.0/linux-x64/publish/
+          path: CubicBot.Telegram.App/bin/Release/net9.0/linux-x64/publish/
 
       - name: Upload CubicBot.Telegram.App artifacts for Linux framework-dependent
         if: matrix.os == 'ubuntu-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-app-${{ github.sha }}-linux
-          path: CubicBot.Telegram.App/bin/Release/net8.0/publish/
+          path: CubicBot.Telegram.App/bin/Release/net9.0/publish/
 
       - name: Upload CubicBot.Telegram.App artifacts for Windows ARM64
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-app-${{ github.sha }}-windows-arm64
-          path: CubicBot.Telegram.App/bin/Release/net8.0/win-arm64/publish/
+          path: CubicBot.Telegram.App/bin/Release/net9.0/win-arm64/publish/
 
       - name: Upload CubicBot.Telegram.App artifacts for Windows x64
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-app-${{ github.sha }}-windows-x64
-          path: CubicBot.Telegram.App/bin/Release/net8.0/win-x64/publish/
+          path: CubicBot.Telegram.App/bin/Release/net9.0/win-x64/publish/
 
       - name: Upload CubicBot.Telegram.App artifacts for Windows framework-dependent
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-app-${{ github.sha }}-windows
-          path: CubicBot.Telegram.App/bin/Release/net8.0/publish/
+          path: CubicBot.Telegram.App/bin/Release/net9.0/publish/
 
       # Upload CubicBot.Telegram.Tool
       - name: Upload CubicBot.Telegram.Tool artifacts for Linux ARM64
@@ -118,39 +118,39 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-tool-${{ github.sha }}-linux-arm64
-          path: CubicBot.Telegram.Tool/bin/Release/net8.0/linux-arm64/publish/
+          path: CubicBot.Telegram.Tool/bin/Release/net9.0/linux-arm64/publish/
 
       - name: Upload CubicBot.Telegram.Tool artifacts for Linux x64
         if: matrix.os == 'ubuntu-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-tool-${{ github.sha }}-linux-x64
-          path: CubicBot.Telegram.Tool/bin/Release/net8.0/linux-x64/publish/
+          path: CubicBot.Telegram.Tool/bin/Release/net9.0/linux-x64/publish/
 
       - name: Upload CubicBot.Telegram.Tool artifacts for Linux framework-dependent
         if: matrix.os == 'ubuntu-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-tool-${{ github.sha }}-linux
-          path: CubicBot.Telegram.Tool/bin/Release/net8.0/publish/
+          path: CubicBot.Telegram.Tool/bin/Release/net9.0/publish/
 
       - name: Upload CubicBot.Telegram.Tool artifacts for Windows ARM64
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-tool-${{ github.sha }}-windows-arm64
-          path: CubicBot.Telegram.Tool/bin/Release/net8.0/win-arm64/publish/
+          path: CubicBot.Telegram.Tool/bin/Release/net9.0/win-arm64/publish/
 
       - name: Upload CubicBot.Telegram.Tool artifacts for Windows x64
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-tool-${{ github.sha }}-windows-x64
-          path: CubicBot.Telegram.Tool/bin/Release/net8.0/win-x64/publish/
+          path: CubicBot.Telegram.Tool/bin/Release/net9.0/win-x64/publish/
 
       - name: Upload CubicBot.Telegram.Tool artifacts for Windows framework-dependent
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4
         with:
           name: cubic-bot-telegram-tool-${{ github.sha }}-windows
-          path: CubicBot.Telegram.Tool/bin/Release/net8.0/publish/
+          path: CubicBot.Telegram.Tool/bin/Release/net9.0/publish/
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5463e9a..0653390 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -64,14 +64,14 @@ jobs:
           ZSTD_NBTHREADS: 2
         run: |
           # CubicBot.Telegram.App
-          cd CubicBot.Telegram.App/bin/Release/net8.0/publish
+          cd CubicBot.Telegram.App/bin/Release/net9.0/publish
           tar -acf ../cubic-bot-telegram-app-${{ github.ref_name }}-linux.tar.zst .
           cd ../linux-arm64/publish
           tar -acf ../../cubic-bot-telegram-app-${{ github.ref_name }}-linux-arm64.tar.zst .
           cd ../../linux-x64/publish
           tar -acf ../../cubic-bot-telegram-app-${{ github.ref_name }}-linux-x64.tar.zst .
           # CubicBot.Telegram.Tool
-          cd ../../../../../../CubicBot.Telegram.Tool/bin/Release/net8.0/publish
+          cd ../../../../../../CubicBot.Telegram.Tool/bin/Release/net9.0/publish
           tar -acf ../cubic-bot-telegram-tool-${{ github.ref_name }}-linux.tar.zst .
           cd ../linux-arm64/publish
           tar -acf ../../cubic-bot-telegram-tool-${{ github.ref_name }}-linux-arm64.tar.zst .
@@ -82,7 +82,7 @@ jobs:
         if: matrix.os == 'windows-latest'
         run: |
           # CubicBot.Telegram.App
-          cd CubicBot.Telegram.App/bin/Release/net8.0/publish
+          cd CubicBot.Telegram.App/bin/Release/net9.0/publish
           7z a -tzip -mx=9 -mfb=128 ../cubic-bot-telegram-app-${{ github.ref_name }}-windows.zip .
           7z a -t7z -m0=lzma2 -mx=9 -mfb=64 -md=64m -ms=on ../cubic-bot-telegram-app-${{ github.ref_name }}-windows.7z .
           cd ../win-arm64/publish
@@ -92,7 +92,7 @@ jobs:
           7z a -tzip -mx=9 -mfb=128 ../../cubic-bot-telegram-app-${{ github.ref_name }}-windows-x64.zip .
           7z a -t7z -m0=lzma2 -mx=9 -mfb=64 -md=64m -ms=on ../../cubic-bot-telegram-app-${{ github.ref_name }}-windows-x64.7z .
           # CubicBot.Telegram.Tool
-          cd ../../../../../../CubicBot.Telegram.Tool/bin/Release/net8.0/publish
+          cd ../../../../../../CubicBot.Telegram.Tool/bin/Release/net9.0/publish
           7z a -tzip -mx=9 -mfb=128 ../cubic-bot-telegram-tool-${{ github.ref_name }}-windows.zip .
           7z a -t7z -m0=lzma2 -mx=9 -mfb=64 -md=64m -ms=on ../cubic-bot-telegram-tool-${{ github.ref_name }}-windows.7z .
           cd ../win-arm64/publish
@@ -108,7 +108,7 @@ jobs:
         if: matrix.os == 'ubuntu-latest'
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: CubicBot.Telegram.*/bin/Release/net8.0/*.tar.zst
+          file: CubicBot.Telegram.*/bin/Release/net9.0/*.tar.zst
           tag: ${{ github.ref }}
           file_glob: true
           prerelease: true
@@ -118,7 +118,7 @@ jobs:
         if: matrix.os == 'windows-latest'
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: CubicBot.Telegram.*/bin/Release/net8.0/cubic-bot-telegram-*-windows*.*
+          file: CubicBot.Telegram.*/bin/Release/net9.0/cubic-bot-telegram-*-windows*.*
           tag: ${{ github.ref }}
           file_glob: true
           prerelease: true
diff --git a/CubicBot.Telegram.App/CubicBot.Telegram.App.csproj b/CubicBot.Telegram.App/CubicBot.Telegram.App.csproj
index f317868..3104d7f 100644
--- a/CubicBot.Telegram.App/CubicBot.Telegram.App.csproj
+++ b/CubicBot.Telegram.App/CubicBot.Telegram.App.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>dotnet-CubicBot.Telegram.App-6b3818c3-5fb6-4bba-91c1-f56f55ecc380</UserSecretsId>
diff --git a/CubicBot.Telegram.Tests/CubicBot.Telegram.Tests.csproj b/CubicBot.Telegram.Tests/CubicBot.Telegram.Tests.csproj
index 0862ab3..bcfc1c4 100644
--- a/CubicBot.Telegram.Tests/CubicBot.Telegram.Tests.csproj
+++ b/CubicBot.Telegram.Tests/CubicBot.Telegram.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
 
     <IsPackable>false</IsPackable>
diff --git a/CubicBot.Telegram.Tool/CubicBot.Telegram.Tool.csproj b/CubicBot.Telegram.Tool/CubicBot.Telegram.Tool.csproj
index af1f490..74a717a 100644
--- a/CubicBot.Telegram.Tool/CubicBot.Telegram.Tool.csproj
+++ b/CubicBot.Telegram.Tool/CubicBot.Telegram.Tool.csproj
@@ -10,7 +10,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <AssemblyName>cubic-bot-telegram-tool</AssemblyName>
diff --git a/CubicBot.Telegram/Commands/Dice.cs b/CubicBot.Telegram/Commands/Dice.cs
index 45b4627..f3f0806 100644
--- a/CubicBot.Telegram/Commands/Dice.cs
+++ b/CubicBot.Telegram/Commands/Dice.cs
@@ -26,8 +26,8 @@ private static int GetCountFromArgument(string? argument = null)
 
     private static Task SendAnimatedEmojiAsync(CommandContext commandContext, string emoji, CancellationToken cancellationToken = default)
     {
-        var count = GetCountFromArgument(commandContext.Argument);
-        var tasks = new Task[count];
+        int count = GetCountFromArgument(commandContext.Argument);
+        Span<Task> tasks = new Task[count];
 
         for (var i = 0; i < tasks.Length; i++)
         {
diff --git a/CubicBot.Telegram/CubicBot.Telegram.csproj b/CubicBot.Telegram/CubicBot.Telegram.csproj
index 00caa4f..6cfed66 100644
--- a/CubicBot.Telegram/CubicBot.Telegram.csproj
+++ b/CubicBot.Telegram/CubicBot.Telegram.csproj
@@ -12,7 +12,7 @@
     <Product>Cubic Telegram Bot</Product>
     <RepositoryType>Public</RepositoryType>
     <RepositoryUrl>https://github.com/database64128/CubicBot</RepositoryUrl>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Version>1.2.0</Version>
   </PropertyGroup>