diff --git a/build/dependencies.props b/build/dependencies.props
index 2cb9387b7a..d55f378cce 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,43 +3,43 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-rc1-15774</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
-    <MicrosoftAspNetCoreDataProtectionPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreDataProtectionPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsCachingMemoryPackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsWebEncodersPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-rtm-15783</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
+    <MicrosoftAspNetCoreDataProtectionPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreDataProtectionPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsCachingMemoryPackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>3.14.2</MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>
     <MicrosoftIdentityModelProtocolsOpenIdConnectPackageVersion>5.2.0</MicrosoftIdentityModelProtocolsOpenIdConnectPackageVersion>
     <MicrosoftIdentityModelProtocolsWsFederationPackageVersion>5.2.0</MicrosoftIdentityModelProtocolsWsFederationPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-rc1-26419-02</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-rtm-26502-02</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MicrosoftOwinSecurityCookiesPackageVersion>3.0.1</MicrosoftOwinSecurityCookiesPackageVersion>
     <MicrosoftOwinSecurityPackageVersion>3.0.1</MicrosoftOwinSecurityPackageVersion>
     <MicrosoftOwinTestingPackageVersion>3.0.1</MicrosoftOwinTestingPackageVersion>
-    <NETStandardLibrary20PackageVersion>2.0.1</NETStandardLibrary20PackageVersion>
+    <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
     <SystemIdentityModelTokensJwtPackageVersion>5.2.0</SystemIdentityModelTokensJwtPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 9d4ef8c888..3673744db9 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-rc1-15774
-commithash:ed5ca9de3c652347dbb0158a9a65eff3471d2114
+version:2.1.0-rtm-15783
+commithash:5fc2b2f607f542a2ffde11c19825e786fc1a3774