diff --git a/build/dependencies.props b/build/dependencies.props
index 0e48c7bcb3..14c59ff453 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -70,6 +70,8 @@
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <SystemComponentModelAnnotationsPackageVersion>4.5.0</SystemComponentModelAnnotationsPackageVersion>
     <XunitAnalyzersPackageVersion>0.10.0</XunitAnalyzersPackageVersion>
+    <XunitAssertPackageVersion>2.3.1</XunitAssertPackageVersion>
+    <XunitExtensibilityCorePackageVersion>2.3.1</XunitExtensibilityCorePackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.4.0</XunitRunnerVisualStudioPackageVersion>
   </PropertyGroup>
diff --git a/src/Service.Specification.Tests/Microsoft.AspNetCore.Identity.Service.Specification.Tests.csproj b/src/Service.Specification.Tests/Microsoft.AspNetCore.Identity.Service.Specification.Tests.csproj
index f6975aea88..8a9417cd9e 100644
--- a/src/Service.Specification.Tests/Microsoft.AspNetCore.Identity.Service.Specification.Tests.csproj
+++ b/src/Service.Specification.Tests/Microsoft.AspNetCore.Identity.Service.Specification.Tests.csproj
@@ -20,7 +20,9 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="$(MicrosoftExtensionsConfigurationPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="$(MicrosoftExtensionsDependencyInjectionPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="$(MicrosoftExtensionsLoggingPackageVersion)" />
-    <PackageReference Include="xunit" Version="$(XunitPackageVersion)" />
+    <PackageReference Include="xunit.assert" Version="$(XunitAssertPackageVersion)" />
+    <PackageReference Include="xunit.extensibility.core" Version="$(XunitExtensibilityCorePackageVersion)" />
+    <PackageReference Include="xunit.analyzers" Version="$(XunitAnalyzersPackageVersion)" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Specification.Tests/Microsoft.AspNetCore.Identity.Specification.Tests.csproj b/src/Specification.Tests/Microsoft.AspNetCore.Identity.Specification.Tests.csproj
index c987d8fa30..3194032cba 100644
--- a/src/Specification.Tests/Microsoft.AspNetCore.Identity.Specification.Tests.csproj
+++ b/src/Specification.Tests/Microsoft.AspNetCore.Identity.Specification.Tests.csproj
@@ -16,7 +16,9 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="$(MicrosoftExtensionsConfigurationPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="$(MicrosoftExtensionsDependencyInjectionPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="$(MicrosoftExtensionsLoggingPackageVersion)" />
-    <PackageReference Include="xunit" Version="$(XunitPackageVersion)" />
+    <PackageReference Include="xunit.assert" Version="$(XunitAssertPackageVersion)" />
+    <PackageReference Include="xunit.extensibility.core" Version="$(XunitExtensibilityCorePackageVersion)" />
+    <PackageReference Include="xunit.analyzers" Version="$(XunitAnalyzersPackageVersion)" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>