diff --git a/tests/NSubstitute.Acceptance.Specs/NSubstitute.Acceptance.Specs.csproj b/tests/NSubstitute.Acceptance.Specs/NSubstitute.Acceptance.Specs.csproj
index 4e7126d9..0202cb78 100644
--- a/tests/NSubstitute.Acceptance.Specs/NSubstitute.Acceptance.Specs.csproj
+++ b/tests/NSubstitute.Acceptance.Specs/NSubstitute.Acceptance.Specs.csproj
@@ -1,13 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>net9.0;net8.0;net462</TargetFrameworks>
+    <OutputType>Exe</OutputType>
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
-    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>
 
diff --git a/tests/NSubstitute.Benchmarks/NSubstitute.Benchmarks.csproj b/tests/NSubstitute.Benchmarks/NSubstitute.Benchmarks.csproj
index 11a930be..dc6166df 100644
--- a/tests/NSubstitute.Benchmarks/NSubstitute.Benchmarks.csproj
+++ b/tests/NSubstitute.Benchmarks/NSubstitute.Benchmarks.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.15.0" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/NSubstitute.Documentation.Tests/NSubstitute.Documentation.Tests.csproj b/tests/NSubstitute.Documentation.Tests/NSubstitute.Documentation.Tests.csproj
index 11fdb407..2738c6a6 100644
--- a/tests/NSubstitute.Documentation.Tests/NSubstitute.Documentation.Tests.csproj
+++ b/tests/NSubstitute.Documentation.Tests/NSubstitute.Documentation.Tests.csproj
@@ -2,11 +2,13 @@
 
   <PropertyGroup>
     <TargetFrameworks>net9.0;net8.0;net462</TargetFrameworks>
+    <OutputType>Exe</OutputType>
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
-    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>
 
@@ -17,9 +19,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\NSubstitute\NSubstitute.csproj" />
 
-    <ProjectReference Include="..\NSubstitute.Documentation.Tests.Generator\NSubstitute.Documentation.Tests.Generator.csproj"
-                      OutputItemType="Analyzer"
-                      ReferenceOutputAssembly="false" />
+    <ProjectReference Include="..\NSubstitute.Documentation.Tests.Generator\NSubstitute.Documentation.Tests.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
   </ItemGroup>
 
 </Project>