diff --git a/build/dependencies.props b/build/dependencies.props
index 09f515241a..9c5a55666f 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -2,38 +2,38 @@
   <PropertyGroup Label="Package Versions: .NET Core dependencies">
 
     <!-- Packages from dotnet/core-setup -->
-    <MicrosoftExtensionsDependencyModelPackageVersion>3.0.0-preview-27217-02</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview-27217-02</MicrosoftNETCoreAppPackageVersion>
-    <MicrosoftNETCoreDotNetAppHostPackageVersion>3.0.0-preview-27217-02</MicrosoftNETCoreDotNetAppHostPackageVersion>
-    <MicrosoftDotNetPlatformAbstractionsPackageVersion>3.0.0-preview-27217-02</MicrosoftDotNetPlatformAbstractionsPackageVersion>
+    <MicrosoftExtensionsDependencyModelPackageVersion>3.0.0-preview-27219-3</MicrosoftExtensionsDependencyModelPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview-27219-3</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreDotNetAppHostPackageVersion>3.0.0-preview-27219-3</MicrosoftNETCoreDotNetAppHostPackageVersion>
+    <MicrosoftDotNetPlatformAbstractionsPackageVersion>3.0.0-preview-27219-3</MicrosoftDotNetPlatformAbstractionsPackageVersion>
     <MicrosoftNETCoreApp30PackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreApp30PackageVersion>
 
     <!-- Packages from dotnet/corefx -->
-    <MicrosoftCSharpPackageVersion>4.6.0-preview.18613.4</MicrosoftCSharpPackageVersion>
-    <MicrosoftWin32RegistryPackageVersion>4.6.0-preview.18613.4</MicrosoftWin32RegistryPackageVersion>
-    <SystemCollectionsImmutablePackageVersion>1.6.0-preview.18613.4</SystemCollectionsImmutablePackageVersion>
-    <SystemComponentModelAnnotationsPackageVersion>4.6.0-preview.18613.4</SystemComponentModelAnnotationsPackageVersion>
-    <SystemDataSqlClientPackageVersion>4.7.0-preview.18613.4</SystemDataSqlClientPackageVersion>
-    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.6.0-preview.18613.4</SystemDiagnosticsDiagnosticSourcePackageVersion>
-    <SystemDiagnosticsEventLogPackageVersion>4.6.0-preview.18613.4</SystemDiagnosticsEventLogPackageVersion>
-    <SystemIOPipelinesPackageVersion>4.6.0-preview.18613.4</SystemIOPipelinesPackageVersion>
+    <MicrosoftCSharpPackageVersion>4.6.0-preview.18619.1</MicrosoftCSharpPackageVersion>
+    <MicrosoftWin32RegistryPackageVersion>4.6.0-preview.18619.1</MicrosoftWin32RegistryPackageVersion>
+    <SystemCollectionsImmutablePackageVersion>1.6.0-preview.18619.1</SystemCollectionsImmutablePackageVersion>
+    <SystemComponentModelAnnotationsPackageVersion>4.6.0-preview.18619.1</SystemComponentModelAnnotationsPackageVersion>
+    <SystemDataSqlClientPackageVersion>4.7.0-preview.18619.1</SystemDataSqlClientPackageVersion>
+    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.6.0-preview.18619.1</SystemDiagnosticsDiagnosticSourcePackageVersion>
+    <SystemDiagnosticsEventLogPackageVersion>4.6.0-preview.18619.1</SystemDiagnosticsEventLogPackageVersion>
+    <SystemIOPipelinesPackageVersion>4.6.0-preview.18619.1</SystemIOPipelinesPackageVersion>
     <SystemMemoryPackageVersion>4.5.2-servicing-27114-05</SystemMemoryPackageVersion>
-    <SystemNetHttpWinHttpHandlerPackageVersion>4.6.0-preview.18613.4</SystemNetHttpWinHttpHandlerPackageVersion>
-    <SystemNetWebSocketsWebSocketProtocolPackageVersion>4.6.0-preview.18613.4</SystemNetWebSocketsWebSocketProtocolPackageVersion>
-    <SystemNumericsVectorsPackageVersion>4.6.0-preview.18613.4</SystemNumericsVectorsPackageVersion>
-    <SystemReflectionMetadataPackageVersion>1.7.0-preview.18613.4</SystemReflectionMetadataPackageVersion>
-    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.6.0-preview.18613.4</SystemRuntimeCompilerServicesUnsafePackageVersion>
-    <SystemSecurityCryptographyCngPackageVersion>4.6.0-preview.18613.4</SystemSecurityCryptographyCngPackageVersion>
-    <SystemSecurityCryptographyPkcsPackageVersion>4.6.0-preview.18613.4</SystemSecurityCryptographyPkcsPackageVersion>
-    <SystemSecurityCryptographyXmlPackageVersion>4.6.0-preview.18613.4</SystemSecurityCryptographyXmlPackageVersion>
-    <SystemSecurityPermissionsPackageVersion>4.6.0-preview.18613.4</SystemSecurityPermissionsPackageVersion>
-    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview.18613.4</SystemSecurityPrincipalWindowsPackageVersion>
-    <SystemServiceProcessServiceControllerPackageVersion>4.6.0-preview.18613.4</SystemServiceProcessServiceControllerPackageVersion>
-    <SystemTextEncodingCodePagesPackageVersion>4.6.0-preview.18613.4</SystemTextEncodingCodePagesPackageVersion>
-    <SystemTextEncodingsWebPackageVersion>4.6.0-preview.18613.4</SystemTextEncodingsWebPackageVersion>
-    <SystemThreadingChannelsPackageVersion>4.6.0-preview.18613.4</SystemThreadingChannelsPackageVersion>
-    <SystemThreadingTasksDataflowPackageVersion>4.10.0-preview.18613.4</SystemThreadingTasksDataflowPackageVersion>
-    <SystemThreadingTasksExtensionsPackageVersion>4.6.0-preview.18613.4</SystemThreadingTasksExtensionsPackageVersion>
+    <SystemNetHttpWinHttpHandlerPackageVersion>4.6.0-preview.18619.1</SystemNetHttpWinHttpHandlerPackageVersion>
+    <SystemNetWebSocketsWebSocketProtocolPackageVersion>4.6.0-preview.18619.1</SystemNetWebSocketsWebSocketProtocolPackageVersion>
+    <SystemNumericsVectorsPackageVersion>4.6.0-preview.18619.1</SystemNumericsVectorsPackageVersion>
+    <SystemReflectionMetadataPackageVersion>1.7.0-preview.18619.1</SystemReflectionMetadataPackageVersion>
+    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.6.0-preview.18619.1</SystemRuntimeCompilerServicesUnsafePackageVersion>
+    <SystemSecurityCryptographyCngPackageVersion>4.6.0-preview.18619.1</SystemSecurityCryptographyCngPackageVersion>
+    <SystemSecurityCryptographyPkcsPackageVersion>4.6.0-preview.18619.1</SystemSecurityCryptographyPkcsPackageVersion>
+    <SystemSecurityCryptographyXmlPackageVersion>4.6.0-preview.18619.1</SystemSecurityCryptographyXmlPackageVersion>
+    <SystemSecurityPermissionsPackageVersion>4.6.0-preview.18619.1</SystemSecurityPermissionsPackageVersion>
+    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview.18619.1</SystemSecurityPrincipalWindowsPackageVersion>
+    <SystemServiceProcessServiceControllerPackageVersion>4.6.0-preview.18619.1</SystemServiceProcessServiceControllerPackageVersion>
+    <SystemTextEncodingCodePagesPackageVersion>4.6.0-preview.18619.1</SystemTextEncodingCodePagesPackageVersion>
+    <SystemTextEncodingsWebPackageVersion>4.6.0-preview.18619.1</SystemTextEncodingsWebPackageVersion>
+    <SystemThreadingChannelsPackageVersion>4.6.0-preview.18619.1</SystemThreadingChannelsPackageVersion>
+    <SystemThreadingTasksDataflowPackageVersion>4.10.0-preview.18619.1</SystemThreadingTasksDataflowPackageVersion>
+    <SystemThreadingTasksExtensionsPackageVersion>4.6.0-preview.18619.1</SystemThreadingTasksExtensionsPackageVersion>
 
     <!-- Packages from aspnet/Extensions -->
     <InternalAspNetCoreAnalyzersPackageVersion>3.0.0-preview.18617.1</InternalAspNetCoreAnalyzersPackageVersion>