diff --git a/build/dependencies.props b/build/dependencies.props
index ab34d96520..06cca20623 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,11 +4,11 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15626</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27838</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftCSharpPackageVersion>4.5.0-preview1-26014-03</MicrosoftCSharpPackageVersion>
-    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview1-27838</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftCSharpPackageVersion>4.5.0-preview1-26016-05</MicrosoftCSharpPackageVersion>
+    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26015-01</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26016-05</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>