diff --git a/plugin/tests/RemoteCI.Plugin.Tests/RemoteCI.Plugin.Tests.csproj b/plugin/tests/RemoteCI.Plugin.Tests/RemoteCI.Plugin.Tests.csproj
index d1d4abc..684739a 100644
--- a/plugin/tests/RemoteCI.Plugin.Tests/RemoteCI.Plugin.Tests.csproj
+++ b/plugin/tests/RemoteCI.Plugin.Tests/RemoteCI.Plugin.Tests.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="ClassIsland.PluginSdk" Version="2.0.0-dev-v2" />
     <!-- 与插件项目保持同一安全覆盖版本，避免测试依赖图回退到有漏洞的 0.21.2。 -->
     <PackageReference Include="Tmds.DBus.Protocol" Version="0.21.3" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/server/tests/RemoteCI.Server.Tests/RemoteCI.Server.Tests.csproj b/server/tests/RemoteCI.Server.Tests/RemoteCI.Server.Tests.csproj
index e036134..60eba58 100644
--- a/server/tests/RemoteCI.Server.Tests/RemoteCI.Server.Tests.csproj
+++ b/server/tests/RemoteCI.Server.Tests/RemoteCI.Server.Tests.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.11" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>