diff --git a/build/dependencies.props b/build/dependencies.props
index 5b43374ba1..6061e2cc0b 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,22 +4,22 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-rc1-15774</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-rtm-15783</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-rtm-30721</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.6.82</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildPackageVersion>15.6.82</MicrosoftBuildPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.6.82</MicrosoftBuildUtilitiesCorePackageVersion>
     <MicrosoftCodeAnalysisCommonPackageVersion>2.8.0-beta3</MicrosoftCodeAnalysisCommonPackageVersion>
     <MicrosoftCodeAnalysisCSharpPackageVersion>2.8.0-beta3</MicrosoftCodeAnalysisCSharpPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
-    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-rc1-26419-02</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsWebEncodersPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-rtm-26502-02</MicrosoftExtensionsDependencyModelPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-rtm-30721</MicrosoftExtensionsWebEncodersPackageVersion>
     <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>
     <MicrosoftVisualStudioComponentModelHostPackageVersion>15.0.26606</MicrosoftVisualStudioComponentModelHostPackageVersion>
     <MicrosoftVisualStudioEditorPackageVersion>15.6.161-preview</MicrosoftVisualStudioEditorPackageVersion>
@@ -39,12 +39,12 @@
     <MonoAddinsPackageVersion>1.3.8</MonoAddinsPackageVersion>
     <MonoDevelopSdkPackageVersion>1.0.1</MonoDevelopSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
-    <NETStandardLibrary20PackageVersion>2.0.1</NETStandardLibrary20PackageVersion>
+    <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
     <StreamJsonRpcPackageVersion>1.1.92</StreamJsonRpcPackageVersion>
-    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-rc1-26419-03</SystemDiagnosticsDiagnosticSourcePackageVersion>
+    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-rtm-26502-02</SystemDiagnosticsDiagnosticSourcePackageVersion>
     <SystemRuntimeInteropServicesRuntimeInformationPackageVersion>4.3.0</SystemRuntimeInteropServicesRuntimeInformationPackageVersion>
-    <SystemValueTuplePackageVersion>4.5.0-rc1-26419-03</SystemValueTuplePackageVersion>
+    <SystemValueTuplePackageVersion>4.5.0-rtm-26502-02</SystemValueTuplePackageVersion>
     <VisualStudio_NewtonsoftJsonPackageVersion>9.0.1</VisualStudio_NewtonsoftJsonPackageVersion>
     <VSIX_MicrosoftCodeAnalysisCommonPackageVersion>2.8.0-beta3</VSIX_MicrosoftCodeAnalysisCommonPackageVersion>
     <VSIX_MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>2.8.0-beta3</VSIX_MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index d35f5d62cf..27e94579a9 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