diff --git a/src/StreamFrame.Protocols.Xml/StreamFrame.Protocols.Xml.csproj b/src/StreamFrame.Protocols.Xml/StreamFrame.Protocols.Xml.csproj
index 6d2d112..6310d9b 100644
--- a/src/StreamFrame.Protocols.Xml/StreamFrame.Protocols.Xml.csproj
+++ b/src/StreamFrame.Protocols.Xml/StreamFrame.Protocols.Xml.csproj
@@ -14,7 +14,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Meziantou.Analyzer" Version="3.0.189">
+    <PackageReference Include="Meziantou.Analyzer" Version="3.0.259">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
diff --git a/src/StreamFrame/StreamFrame.csproj b/src/StreamFrame/StreamFrame.csproj
index a2e4a10..e4e4e2b 100644
--- a/src/StreamFrame/StreamFrame.csproj
+++ b/src/StreamFrame/StreamFrame.csproj
@@ -29,24 +29,24 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Meziantou.Analyzer" Version="3.0.189">
+    <PackageReference Include="Meziantou.Analyzer" Version="3.0.259">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.11" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.12" />
     <PackageReference Include="PolySharp" Version="1.16.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="System.IO.Pipelines" Version="10.0.11" />
+    <PackageReference Include="System.IO.Pipelines" Version="10.0.12" />
     <!-- System.Threading.Channels 自 .NET Core 3.0 起内置共享框架，现代 .NET 无需引用；netstandard2.0 目标在兼容层另行引入 -->
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="System.Threading.Channels" Version="10.0.11" />
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.11" />
+    <PackageReference Include="System.Threading.Channels" Version="10.0.12" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.12" />
     <!-- System.Diagnostics.Metrics 的 netstandard2.0 资产（连接指标用；现代 .NET 内置共享框架） -->
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="10.0.11" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="10.0.12" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/StreamFrame.Tests/StreamFrame.Tests.csproj b/test/StreamFrame.Tests/StreamFrame.Tests.csproj
index 00655a5..a4511a8 100644
--- a/test/StreamFrame.Tests/StreamFrame.Tests.csproj
+++ b/test/StreamFrame.Tests/StreamFrame.Tests.csproj
@@ -18,11 +18,11 @@
     </PackageReference>
     <!-- 让 linux CI 也能编译 net48 目标（测试仅在 Windows 运行时执行） -->
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="all" />
-    <PackageReference Include="Meziantou.Analyzer" Version="3.0.189">
+    <PackageReference Include="Meziantou.Analyzer" Version="3.0.259">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
   </ItemGroup>