diff --git a/GoCardless.Tests/GoCardless.Tests.csproj b/GoCardless.Tests/GoCardless.Tests.csproj
index ad73209..1cca5f2 100644
--- a/GoCardless.Tests/GoCardless.Tests.csproj
+++ b/GoCardless.Tests/GoCardless.Tests.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="4.19.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="NUnit" Version="3.7.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.8.0-alpha1" />
   </ItemGroup>