diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ba2e267ea..99b7b27cb 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -26,9 +26,9 @@
       <Uri>https://github.com/dotnet/toolset</Uri>
       <Sha>0d8427d1a876c5585f9733b9618ee5fc32f2c926</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19078.1">
+    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19123.1">
       <Uri>https://github.com/dotnet/standard</Uri>
-      <Sha></Sha>
+      <Sha>e2dfe6f4656806953ab18edccc9c2c9c116ce15c</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index d220b2eb3..b8c208bb8 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -32,7 +32,7 @@
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19078.1</NETStandardLibraryPackageVersion>
+    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19123.1</NETStandardLibraryPackageVersion>
     <!-- Use a different property name here, as NETStandardLibraryPackageVersion is also set by targets in the NETStandard.Library package,
          which ends up overriding the value set here. -->
     <NETSTandardTargetingPackVersion>$(NETStandardLibraryPackageVersion)</NETSTandardTargetingPackVersion>