diff --git a/.vsts-pipelines/builds/ci-internal.yml b/.vsts-pipelines/builds/ci-internal.yml
index dc7b8a3cb9..c2c5336fd0 100644
--- a/.vsts-pipelines/builds/ci-internal.yml
+++ b/.vsts-pipelines/builds/ci-internal.yml
@@ -7,7 +7,7 @@ resources:
   - repository: buildtools
     type: git
     name: aspnet-BuildTools
-    ref: refs/heads/release/2.2
+    ref: refs/heads/master
 
 phases:
 - template: .vsts-pipelines/templates/project-ci.yml@buildtools
diff --git a/.vsts-pipelines/builds/ci-public.yml b/.vsts-pipelines/builds/ci-public.yml
index f5087d9c30..507c89b025 100644
--- a/.vsts-pipelines/builds/ci-public.yml
+++ b/.vsts-pipelines/builds/ci-public.yml
@@ -9,7 +9,7 @@ resources:
     type: github
     endpoint: DotNet-Bot GitHub Connection
     name: aspnet/BuildTools
-    ref: refs/heads/release/2.2
+    ref: refs/heads/master
 
 phases:
 - template: .vsts-pipelines/templates/project-ci.yml@buildtools
diff --git a/benchmarkapps/PlatformBenchmarks/benchmarks.json.json b/benchmarkapps/PlatformBenchmarks/benchmarks.json.json
index 9ae9f4836f..157cee28dc 100644
--- a/benchmarkapps/PlatformBenchmarks/benchmarks.json.json
+++ b/benchmarkapps/PlatformBenchmarks/benchmarks.json.json
@@ -5,11 +5,11 @@
 
     "Source": {
       "Repository": "https://github.com/aspnet/KestrelHttpServer.git",
-      "BranchOrCommit": "release/2.2",
+      "BranchOrCommit": "dev",
       "Project": "benchmarkapps/PlatformBenchmarks/PlatformBenchmarks.csproj"
     }
   },
   "JsonPlatform": {
     "Path": "/json"
   }
-}
+}
\ No newline at end of file
diff --git a/benchmarkapps/PlatformBenchmarks/benchmarks.plaintext.json b/benchmarkapps/PlatformBenchmarks/benchmarks.plaintext.json
index 78a3fc1b6e..5ad58aee15 100644
--- a/benchmarkapps/PlatformBenchmarks/benchmarks.plaintext.json
+++ b/benchmarkapps/PlatformBenchmarks/benchmarks.plaintext.json
@@ -8,7 +8,7 @@
     },
     "Source": {
       "Repository": "https://github.com/aspnet/KestrelHttpServer.git",
-      "BranchOrCommit": "release/2.2",
+      "BranchOrCommit": "dev",
       "Project": "benchmarkapps/PlatformBenchmarks/PlatformBenchmarks.csproj"
     },
     "Port": 8080
diff --git a/build/dependencies.props b/build/dependencies.props
index 9102dfd47a..ba2ae0b0d8 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -5,49 +5,49 @@
   <!-- This files is typically managed by automation. Execute 'run.ps1 upgrade deps' to update these variables to the last-known-good versions. -->
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreAnalyzersPackageVersion>2.2.0-preview1-34694</InternalAspNetCoreAnalyzersPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.2.0-preview1-17099</InternalAspNetCoreSdkPackageVersion>
+    <InternalAspNetCoreAnalyzersPackageVersion>3.0.0-alpha1-10081</InternalAspNetCoreAnalyzersPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-10009</InternalAspNetCoreSdkPackageVersion>
     <LibuvPackageVersion>1.10.0</LibuvPackageVersion>
-    <MicrosoftAspNetCoreAllPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreAllPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpFeaturesPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreHttpFeaturesPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.2.0-preview1-34694</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
-    <MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>
-    <MicrosoftExtensionsBuffersMemoryPoolSourcesPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsBuffersMemoryPoolSourcesPackageVersion>
-    <MicrosoftExtensionsBuffersSourcesPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsBuffersSourcesPackageVersion>
-    <MicrosoftExtensionsBuffersTestingSourcesPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsBuffersTestingSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationBinderPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsConfigurationBinderPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.2.0-preview1-34694</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftAspNetCoreAllPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpFeaturesPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreHttpFeaturesPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>3.0.0-alpha1-10081</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
+    <MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>
+    <MicrosoftExtensionsBuffersMemoryPoolSourcesPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsBuffersMemoryPoolSourcesPackageVersion>
+    <MicrosoftExtensionsBuffersSourcesPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsBuffersSourcesPackageVersion>
+    <MicrosoftExtensionsBuffersTestingSourcesPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsBuffersTestingSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationBinderPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsConfigurationBinderPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10081</MicrosoftExtensionsOptionsPackageVersion>
     <MicrosoftInternalAspNetCoreH2SpecAllPackageVersion>2.1.1</MicrosoftInternalAspNetCoreH2SpecAllPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.9</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.2</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview1-26618-02</MicrosoftNETCoreApp22PackageVersion>
-    <MicrosoftNetHttpHeadersPackageVersion>2.2.0-preview1-34694</MicrosoftNetHttpHeadersPackageVersion>
+    <MicrosoftNetHttpHeadersPackageVersion>3.0.0-alpha1-10081</MicrosoftNetHttpHeadersPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
-    <SystemBuffersPackageVersion>4.5.0</SystemBuffersPackageVersion>
-    <SystemIOPipelinesPackageVersion>4.5.0</SystemIOPipelinesPackageVersion>
-    <SystemMemoryPackageVersion>4.5.1</SystemMemoryPackageVersion>
-    <SystemNetHttpWinHttpHandlerPackageVersion>4.5.0</SystemNetHttpWinHttpHandlerPackageVersion>
-    <SystemNumericsVectorsPackageVersion>4.5.0</SystemNumericsVectorsPackageVersion>
-    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.5.1</SystemRuntimeCompilerServicesUnsafePackageVersion>
-    <SystemSecurityCryptographyCngPackageVersion>4.5.0</SystemSecurityCryptographyCngPackageVersion>
-    <SystemThreadingTasksExtensionsPackageVersion>4.5.1</SystemThreadingTasksExtensionsPackageVersion>
+    <SystemBuffersPackageVersion>4.6.0-preview1-26708-04</SystemBuffersPackageVersion>
+    <SystemIOPipelinesPackageVersion>4.6.0-preview1-26708-04</SystemIOPipelinesPackageVersion>
+    <SystemMemoryPackageVersion>4.6.0-preview1-26708-04</SystemMemoryPackageVersion>
+    <SystemNetHttpWinHttpHandlerPackageVersion>4.6.0-preview1-26708-04</SystemNetHttpWinHttpHandlerPackageVersion>
+    <SystemNumericsVectorsPackageVersion>4.6.0-preview1-26708-04</SystemNumericsVectorsPackageVersion>
+    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.6.0-preview1-26708-04</SystemRuntimeCompilerServicesUnsafePackageVersion>
+    <SystemSecurityCryptographyCngPackageVersion>4.6.0-preview1-26708-04</SystemSecurityCryptographyCngPackageVersion>
+    <SystemThreadingTasksExtensionsPackageVersion>4.6.0-preview1-26708-04</SystemThreadingTasksExtensionsPackageVersion>
     <Utf8JsonPackageVersion>1.3.7</Utf8JsonPackageVersion>
     <XunitAnalyzersPackageVersion>0.9.0</XunitAnalyzersPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
diff --git a/build/repo.props b/build/repo.props
index cd93ea9da1..fb1ef593d7 100644
--- a/build/repo.props
+++ b/build/repo.props
@@ -5,7 +5,6 @@
     <EnableBenchmarkValidation>true</EnableBenchmarkValidation>
     <!-- These properties are use by the automation that updates dependencies.props -->
     <LineupPackageId>Internal.AspNetCore.Universe.Lineup</LineupPackageId>
-    <LineupPackageVersion>2.2.0-*</LineupPackageVersion>
     <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json</LineupPackageRestoreSource>
   </PropertyGroup>
 
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 27e2e80f9a..4db537685b 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.2.0-preview1-17099
-commithash:263ed1db9866b6b419b1f5d5189a712aa218acb3
+version:3.0.0-alpha1-10009
+commithash:86be4707e47d2f1930a982f2b59eacfc4196da33
diff --git a/korebuild.json b/korebuild.json
index d217d06e3e..8a276a7f35 100644
--- a/korebuild.json
+++ b/korebuild.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/release/2.2/tools/korebuild.schema.json",
-  "channel": "release/2.2"
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/master/tools/korebuild.schema.json",
+  "channel": "master"
 }
diff --git a/run.ps1 b/run.ps1
index 3b27382468..34604c7175 100644
--- a/run.ps1
+++ b/run.ps1
@@ -52,8 +52,8 @@ in the file are overridden by command line parameters.
 Example config file:
 ```json
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
-  "channel": "dev",
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/master/tools/korebuild.schema.json",
+  "channel": "master",
   "toolsSource": "https://aspnetcore.blob.core.windows.net/buildtools"
 }
 ```
@@ -192,7 +192,7 @@ if (!$DotNetHome) {
         else { Join-Path $PSScriptRoot '.dotnet'}
 }
 
-if (!$Channel) { $Channel = 'dev' }
+if (!$Channel) { $Channel = 'master' }
 if (!$ToolsSource) { $ToolsSource = 'https://aspnetcore.blob.core.windows.net/buildtools' }
 
 # Execute
diff --git a/run.sh b/run.sh
index 02aac15874..61f7a53385 100755
--- a/run.sh
+++ b/run.sh
@@ -248,7 +248,7 @@ if [ -f "$config_file" ]; then
     [ ! -z "${config_tools_source:-}" ] && tools_source="$config_tools_source"
 fi
 
-[ -z "$channel" ] && channel='dev'
+[ -z "$channel" ] && channel='master'
 [ -z "$tools_source" ] && tools_source='https://aspnetcore.blob.core.windows.net/buildtools'
 
 get_korebuild
diff --git a/version.props b/version.props
index bebad1de91..71a78cddd8 100644
--- a/version.props
+++ b/version.props
@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>2.2.0</VersionPrefix>
-    <VersionSuffix>preview1</VersionSuffix>
+    <VersionPrefix>3.0.0</VersionPrefix>
+    <VersionSuffix>alpha1</VersionSuffix>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' == 'rtm' ">$(VersionPrefix)</PackageVersion>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' != 'rtm' ">$(VersionPrefix)-$(VersionSuffix)-final</PackageVersion>
     <BuildNumber Condition="'$(BuildNumber)' == ''">t000</BuildNumber>