diff --git a/tests/Invisionware.Serialization.JsonNet.Dynamic.Tests/Invisionware.Serialization.JsonNet.Dynamic.Tests.csproj b/tests/Invisionware.Serialization.JsonNet.Dynamic.Tests/Invisionware.Serialization.JsonNet.Dynamic.Tests.csproj
index 15f3824..45867a8 100644
--- a/tests/Invisionware.Serialization.JsonNet.Dynamic.Tests/Invisionware.Serialization.JsonNet.Dynamic.Tests.csproj
+++ b/tests/Invisionware.Serialization.JsonNet.Dynamic.Tests/Invisionware.Serialization.JsonNet.Dynamic.Tests.csproj
@@ -12,7 +12,7 @@
 		<PackageReference Include="Invisionware.Core" Version="1.0.2-pre05" />
 		<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
 		<PackageReference Include="nunit" Version="3.12.0" />
-		<PackageReference Include="NUnit3TestAdapter" Version="3.16.1" />
+		<PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
 		<PackageReference Include="Serilog" Version="2.9.0" />
 	</ItemGroup>