diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 3cac440fb..77eb18930 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -46,9 +46,9 @@
       <Uri>https://github.com/dotnet/toolset</Uri>
       <Sha>6ef20a79c0e301387b9700ea8d84e9f6957ed223</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19209.2">
+    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19210.1">
       <Uri>https://github.com/dotnet/standard</Uri>
-      <Sha>0fd5d1c54a810c55439115199ffb4fc10411f799</Sha>
+      <Sha>fe384ffaa367f37c0840f4eb4a158e8d8c9b2ab5</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.MSBuildSdkResolver" Version="3.0.100-preview5.19209.2">
       <Uri>https://github.com/dotnet/cli</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 2fb43fe32..a19ab2043 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -41,7 +41,7 @@
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19209.2</NETStandardLibraryPackageVersion>
+    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19210.1</NETStandardLibraryPackageVersion>
     <!-- Use a different property name here, as NETStandardLibraryPackageVersion is also set by targets in the NETStandard.Library package,
          which ends up overriding the value set here. -->
     <NETSTandardTargetingPackVersion>$(NETStandardLibraryPackageVersion)</NETSTandardTargetingPackVersion>