diff --git a/test/Microsoft.AspNetCore.Sockets.Tests/Microsoft.AspNetCore.Sockets.Tests.csproj b/test/Microsoft.AspNetCore.Sockets.Tests/Microsoft.AspNetCore.Sockets.Tests.csproj
index 2c48442819..0212d3032d 100644
--- a/test/Microsoft.AspNetCore.Sockets.Tests/Microsoft.AspNetCore.Sockets.Tests.csproj
+++ b/test/Microsoft.AspNetCore.Sockets.Tests/Microsoft.AspNetCore.Sockets.Tests.csproj
@@ -13,6 +13,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Sockets.Http\Microsoft.AspNetCore.Sockets.Http.csproj" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.Core" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(AspNetCoreVersion)" />