diff --git a/Directory.Build.props b/Directory.Build.props
index 76414deaaaed..6c6a89c481a8 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -53,6 +53,10 @@
     <WarningsNotAsErrors>$(WarningsNotAsErrors);CS1591</WarningsNotAsErrors>
     <!-- xUnit1004 = warns about skipped tests. Make this a non-fatal build warning. -->
     <WarningsNotAsErrors>$(WarningsNotAsErrors);xUnit1004</WarningsNotAsErrors>
+    <!-- Working around https://github.com/NuGet/Home/issues/8467 -->
+    <NoWarn>$(NoWarn);NU5131</NoWarn>
+    <!-- Needed until we resolve https://github.com/aspnet/AspNetCore-Internal/issues/3103 -->
+    <NoWarn>$(NoWarn);NU5048</NoWarn>
   </PropertyGroup>
 
   <!-- Source code settings -->
diff --git a/eng/Workarounds.targets b/eng/Workarounds.targets
index bb01d5f38bd4..53844147d816 100644
--- a/eng/Workarounds.targets
+++ b/eng/Workarounds.targets
@@ -1,11 +1,15 @@
 <!-- Use this file to workaround issues. List the issue tracking the item to fix so we can remove the workaround when the issue is resolved. -->
 <Project>
+
+  <PropertyGroup>
+    <NETCoreAppMaximumVersion>5.0</NETCoreAppMaximumVersion>
+  </PropertyGroup>
   <!--
     Workaround https://github.com/aspnet/AspNetCore/issues/4257.
     The web sdk adds an implicit framework reference. This removes it until we can update our build to use framework references.
   -->
   <ItemGroup>
-    <FrameworkReference Remove="Microsoft.AspNetCore.App" />
+    <KnownFrameworkReference Remove="Microsoft.AspNetCore.App" />
     <!-- Required because the Razor SDK will generate attributes -->
     <Reference Include="Microsoft.AspNetCore.Mvc" Condition="'$(UsingMicrosoftNETSdkWeb)' == 'true' AND '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND '$(GenerateRazorAssemblyInfo)' == 'true'" />
   </ItemGroup>
@@ -25,6 +29,20 @@
     <PackageReference Include="Internal.AspNetCore.BuildTasks" PrivateAssets="All" Version="$(InternalAspNetCoreBuildTasksPackageVersion)" IsImplicitlyDefined="true" />
   </ItemGroup>
 
+  <ItemGroup>
+    <!-- Workaround when there is no vNext SDK available, copy known apphost/framework reference info from 3.0 -->
+    <KnownAppHostPack 
+      Include="@(KnownAppHostPack->WithMetadataValue('TargetFramework', 'netcoreapp3.0'))"
+      TargetFramework="$(DefaultNetCoreTargetFramework)"
+      Condition="(@(KnownAppHostPack->Count()) != '0') AND (!(@(KnownAppHostPack->AnyHaveMetadataValue('TargetFramework', '$(DefaultNetCoreTargetFramework)'))))"
+      />
+    <KnownFrameworkReference
+      Include="@(KnownFrameworkReference->WithMetadataValue('TargetFramework', 'netcoreapp3.0'))"
+      TargetFramework="$(DefaultNetCoreTargetFramework)"
+      Condition="(@(KnownFrameworkReference->Count()) != '0') AND (!(@(KnownFrameworkReference->AnyHaveMetadataValue('TargetFramework', '$(DefaultNetCoreTargetFramework)'))))"
+      />
+  </ItemGroup>
+
   <!-- Workaround for netstandard2.1 projects until we can get a preview 8 SDK containing https://github.com/dotnet/sdk/pull/3463 fix. -->
   <ItemGroup>
     <KnownFrameworkReference Update="NETStandard.Library">
diff --git a/global.json b/global.json
index f48e76cc3458..5049b12eb731 100644
--- a/global.json
+++ b/global.json
@@ -1,9 +1,9 @@
 {
   "sdk": {
-    "version": "5.0.100-alpha1-013788"
+    "version": "5.0.100-alpha1-014696"
   },
   "tools": {
-    "dotnet": "5.0.100-alpha1-013788",
+    "dotnet": "5.0.100-alpha1-014696",
     "runtimes": {
       "dotnet/x64": [
         "$(MicrosoftNETCoreAppRuntimeVersion)"