diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 2d94b7069..bf1633332 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -26,9 +26,9 @@
       <Uri>https://github.com/dotnet/toolset</Uri>
       <Sha>de6587837888584f67b0d4fe389c40e704c19e9f</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19122.2">
+    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19123.1">
       <Uri>https://github.com/dotnet/standard</Uri>
-      <Sha>3d183d60a31c790f7116db4000f32519ea837c56</Sha>
+      <Sha>e2dfe6f4656806953ab18edccc9c2c9c116ce15c</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.MSBuildSdkResolver" Version="3.0.100-preview4.19111.1">
       <Uri>https://github.com/dotnet/cli</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 7c4982698..e641fb00e 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -36,7 +36,7 @@
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19122.2</NETStandardLibraryPackageVersion>
+    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19123.1</NETStandardLibraryPackageVersion>
     <!-- Use a different property name here, as NETStandardLibraryPackageVersion is also set by targets in the NETStandard.Library package,
          which ends up overriding the value set here. -->
     <NETSTandardTargetingPackVersion>$(NETStandardLibraryPackageVersion)</NETSTandardTargetingPackVersion>