diff --git a/Tests/PowerShell.MCP.Tests.csproj b/Tests/PowerShell.MCP.Tests.csproj
index d130904..63730d3 100644
--- a/Tests/PowerShell.MCP.Tests.csproj
+++ b/Tests/PowerShell.MCP.Tests.csproj
@@ -19,6 +19,8 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <ProjectReference Include="..\PowerShell.MCP\PowerShell.MCP.csproj" />
   </ItemGroup>