diff --git a/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj b/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj
index 219b71a3..5c19d4a8 100644
--- a/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj
+++ b/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj
@@ -15,7 +15,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
         <PackageReference Include="xunit" Version="2.9.0" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>