diff --git a/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj b/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj
index d7f0b2e..158dd48 100644
--- a/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj
+++ b/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj b/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj
index f092dfb..ee9296f 100644
--- a/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj
+++ b/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
     <PackageReference Include="FluentAssertions" Version="8.8.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj b/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj
index d7f0b2e..158dd48 100644
--- a/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj
+++ b/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj b/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj
index d7f0b2e..158dd48 100644
--- a/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj
+++ b/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj b/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj
index d7f0b2e..158dd48 100644
--- a/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj
+++ b/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>