diff --git a/build/artifacts.props b/build/artifacts.props
index f4dd1d0875..cef18fdf78 100644
--- a/build/artifacts.props
+++ b/build/artifacts.props
@@ -166,11 +166,12 @@
     <!-- SignalR Redis support is not part of the .App meta-package -->
     <PackageArtifact Include="Microsoft.AspNetCore.SignalR.Redis" Category="ship" AllMetapackage="true" />
 
-    <!-- SignalR Client and MessagePack Protocol support are not part of any meta-packages -->
+    <!-- SignalR Client, Specification Tests and MessagePack Protocol support are not part of any meta-packages -->
     <PackageArtifact Include="Microsoft.AspNetCore.SignalR.Client" Category="ship" />
     <PackageArtifact Include="Microsoft.AspNetCore.SignalR.Client.Core" Category="ship" />
     <PackageArtifact Include="Microsoft.AspNetCore.Http.Connections.Client" Category="ship" />
     <PackageArtifact Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Category="ship" />
+    <PackageArtifact Include="Microsoft.AspNetCore.SignalR.Specification.Tests" Category="ship" />
 
     <PackageArtifact Include="Microsoft.AspNetCore.SpaServices" Category="ship" AppMetapackage="true" AllMetapackage="true"/>
     <PackageArtifact Include="Microsoft.AspNetCore.SpaServices.Extensions" Category="ship" AppMetapackage="true" AllMetapackage="true"/>
diff --git a/modules/SignalR b/modules/SignalR
index e41764c161..dd64e4d9a5 160000
--- a/modules/SignalR
+++ b/modules/SignalR
@@ -1 +1 @@
-Subproject commit e41764c161574983c49362cfb29ce23eb5941b74
+Subproject commit dd64e4d9a5b84c6e3a5ee850ab20336daf4faa14