diff --git a/.gitignore b/.gitignore
index 9f2e95e1d8..ba949609e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,7 +19,6 @@ node_modules/
 .r
 .w
 .deps
-global.json
 msbuild.ProjectImports.zip
 .env
 scripts/tmp/
diff --git a/build/RepositoryBuild.targets b/build/RepositoryBuild.targets
index d3f9c70d6d..bb95e06a60 100644
--- a/build/RepositoryBuild.targets
+++ b/build/RepositoryBuild.targets
@@ -85,6 +85,8 @@
       <SourceLockFile>$(RepositoryRoot)korebuild-lock.txt</SourceLockFile>
       <RepoLockFile>$(BuildRepositoryRoot)korebuild-lock.txt</RepoLockFile>
       <BackupRepoLockFile>$(IntermediateDir)$(RepositoryToBuild)-korebuild-lock.txt</BackupRepoLockFile>
+      <RepoGlobalJsonFile>$(BuildRepositoryRoot)global.json</RepoGlobalJsonFile>
+      <BackupRepoGlobalJsonFile>$(IntermediateDir)$(RepositoryToBuild)-global.json</BackupRepoGlobalJsonFile>
     </PropertyGroup>
   </Target>
 
@@ -92,6 +94,7 @@
     <!-- Copy Korebuild lock file to individual repos to align version if the repo doesn't already have one -->
     <Message Text="Copying KoreBuild lockfile from Universe to repository $(BuildRepositoryRoot)"/>
     <Move SourceFiles="$(RepoLockFile)" DestinationFiles="$(BackupRepoLockFile)" Condition="Exists($(RepoLockFile))" />
+    <Move SourceFiles="$(RepoGlobalJsonFile)" DestinationFiles="$(BackupRepoGlobalJsonFile)" Condition="Exists($(RepoGlobalJsonFile))" />
     <Copy SourceFiles="$(SourceLockFile)" DestinationFiles="$(RepoLockFile)" />
   </Target>
 
@@ -99,6 +102,7 @@
     <!-- Restore original Korebuild lock file -->
     <Delete Files="$(RepoLockFile)" ContinueOnError="true" />
     <Move SourceFiles="$(BackupRepoLockFile)" DestinationFiles="$(RepoLockFile)" Condition="Exists($(BackupRepoLockFile))"  />
+    <Move SourceFiles="$(BackupRepoGlobalJsonFile)" DestinationFiles="$(RepoGlobalJsonFile)" Condition="Exists($(BackupRepoGlobalJsonFile))"  />
   </Target>
 
   <Target Name="_BuildRepository" DependsOnTargets="GetRepoBuildProps;_UpdateRepoLockFile">
diff --git a/build/dependencies.props b/build/dependencies.props
index b18353cb52..2e8f21782b 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -39,6 +39,7 @@
     <MicrosoftNETCoreApp30PackageVersion Condition="'$(MicrosoftNETCoreAppPackageVersion)' != ''">$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreApp30PackageVersion>
 
     <!-- Determined by build tools -->
+    <MicrosoftAspNetCoreBuildToolsApiCheckPackageVersion>$(KoreBuildVersion)</MicrosoftAspNetCoreBuildToolsApiCheckPackageVersion>
     <InternalAspNetCoreSdkPackageVersion>$(KoreBuildVersion)</InternalAspNetCoreSdkPackageVersion>
     <InternalAspNetCoreSiteExtensionSdkPackageVersion>$(KoreBuildVersion)</InternalAspNetCoreSiteExtensionSdkPackageVersion>
   </PropertyGroup>
diff --git a/build/external-dependencies.props b/build/external-dependencies.props
index 3157ce8ef8..29d1342185 100644
--- a/build/external-dependencies.props
+++ b/build/external-dependencies.props
@@ -19,6 +19,7 @@
     <ExternalDependency Include="FSharp.Core" Version="$(FSharpCorePackageVersion)" />
     <ExternalDependency Include="Google.Protobuf" Version="$(GoogleProtobufPackageVersion)" />
     <ExternalDependency Include="Internal.AspNetCore.Sdk" Version="$(InternalAspNetCoreSdkPackageVersion)" />
+    <ExternalDependency Include="Microsoft.AspNetCore.BuildTools.ApiCheck" Version="$(MicrosoftAspNetCoreBuildToolsApiCheckPackageVersion)" />
     <ExternalDependency Include="Internal.AspNetCore.SiteExtension.Sdk" Version="$(InternalAspNetCoreSiteExtensionSdkPackageVersion)" />
     <ExternalDependency Include="Libuv" Version="$(LibuvPackageVersion)" />
     <ExternalDependency Include="Microsoft.ApplicationInsights.AspNetCore" Version="$(MicrosoftApplicationInsightsAspNetCorePackageVersion)" />
diff --git a/build/repo.targets b/build/repo.targets
index 993c6abd6b..af0c38358f 100644
--- a/build/repo.targets
+++ b/build/repo.targets
@@ -80,6 +80,8 @@
       <PackageArtifact Remove="@(PackageArtifact)" />
     </ItemGroup>
 
+    <Move SourceFiles="%(SubmoduleGlobalJsonFiles.BackupPath)" DestinationFiles="%(SubmoduleGlobalJsonFiles.Identity)" Condition="Exists(%(SubmoduleGlobalJsonFiles.BackupPath))" />
+
     <!-- Join required because shipping category is stored in universe (PackageArtifact), but information about package ID and version comes from repos (ArtifactInfo). -->
     <RepoTasks.JoinItems
       Left="@(_Temp)"
@@ -209,7 +211,12 @@
     <ItemGroup>
       <Repository Update="%(Identity)" RootPath="$(SubmoduleRoot)%(Identity)\" />
       <ShippedRepository Update="%(Identity)" RootPath="$(SubmoduleRoot)%(Identity)\" Condition="'%(Identity)' != ''" />
+
+      <SubmoduleGlobalJsonFiles Include="%(Repository.RootPath)global.json" BackupPath="$(IntermediateDir)%(Repository.Identity)-global.json" Condition="'%(Repository.Identity)' != ''"/>
+      <SubmoduleGlobalJsonFiles Include="%(ShippedRepository.RootPath)global.json" BackupPath="$(IntermediateDir)%(ShippedRepository.Identity)-global.json" Condition="'%(ShippedRepository.Identity)' != ''"/>
     </ItemGroup>
+
+    <Move SourceFiles="%(SubmoduleGlobalJsonFiles.Identity)" DestinationFiles="%(SubmoduleGlobalJsonFiles.BackupPath)" Condition="Exists(%(SubmoduleGlobalJsonFiles.Identity))" />
   </Target>
 
   <Target Name="BuildRepositories"
diff --git a/global.json b/global.json
new file mode 100644
index 0000000000..f268a31ddc
--- /dev/null
+++ b/global.json
@@ -0,0 +1,8 @@
+{
+        "sdk": {
+            "version": "2.2.100-preview2-009404"
+        },
+        "msbuild-sdks": {
+            "Internal.AspNetCore.Sdk": "3.0.0-alpha1-20181003.3"
+        }
+    }