diff --git a/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj b/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj
index 38b3033..a6aa899 100644
--- a/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj
+++ b/tests/DotNetDevMCP.CodeIntelligence.Tests/DotNetDevMCP.CodeIntelligence.Tests.csproj
@@ -8,10 +8,10 @@
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   <ItemGroup>
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-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="xunit" Version="3.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <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>
 
   <ItemGroup>
diff --git a/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj b/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj
index 604db94..3b725fa 100644
--- a/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj
+++ b/tests/DotNetDevMCP.Core.Tests/DotNetDevMCP.Core.Tests.csproj
@@ -10,9 +10,9 @@
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     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="FluentAssertions" Version="8.8.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="xunit" Version="3.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0" />
+    <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>
 
   <ItemGroup>
diff --git a/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj b/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj
index 38b3033..a6aa899 100644
--- a/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj
+++ b/tests/DotNetDevMCP.Integration.Tests/DotNetDevMCP.Integration.Tests.csproj
@@ -8,10 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
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-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="xunit" Version="3.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <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>
 
   <ItemGroup>
diff --git a/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj b/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj
index 38b3033..a6aa899 100644
--- a/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj
+++ b/tests/DotNetDevMCP.SourceControl.Tests/DotNetDevMCP.SourceControl.Tests.csproj
@@ -8,10 +8,10 @@
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-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="xunit" Version="3.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <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>
 
   <ItemGroup>
diff --git a/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj b/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj
index 38b3033..a6aa899 100644
--- a/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj
+++ b/tests/DotNetDevMCP.Testing.Tests/DotNetDevMCP.Testing.Tests.csproj
@@ -8,10 +8,10 @@
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-    <PackageReference Include="xunit" Version="3.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <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>
 
   <ItemGroup>