diff --git a/src/Middleware/SpaServices.Extensions/src/Microsoft.AspNetCore.SpaServices.Extensions.csproj b/src/Middleware/SpaServices.Extensions/src/Microsoft.AspNetCore.SpaServices.Extensions.csproj
index 897b92d37552..0e06db4d08c3 100644
--- a/src/Middleware/SpaServices.Extensions/src/Microsoft.AspNetCore.SpaServices.Extensions.csproj
+++ b/src/Middleware/SpaServices.Extensions/src/Microsoft.AspNetCore.SpaServices.Extensions.csproj
@@ -15,4 +15,11 @@
     <InternalsVisibleTo Include="Microsoft.AspNetCode.SpaServices.Extensions.Tests" />
   </ItemGroup>
 
+  <ItemGroup Condition=" '$(AspNetCoreMajorMinorVersion)' == '5.0' ">
+    <!--
+      Dependency (now in shared Fx and a transitive ref for netstandard2.x) was removed in 5.0. Suppression can be
+      removed after 5.0 RTM is released.
+    -->
+    <SuppressBaselineReference Include="Microsoft.AspNetCore.SpaServices" />
+  </ItemGroup>
 </Project>