diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ba8a8a797..0a016d29e 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -50,9 +50,9 @@
       <Uri>https://github.com/dotnet/toolset</Uri>
       <Sha>e79205a53a78c099d0a7d3bd9f1f8a9d8683aad7</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19180.1">
+    <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19204.1">
       <Uri>https://github.com/dotnet/standard</Uri>
-      <Sha>68dd5612cdd5f9204a832b1e0db9a4628d4337ad</Sha>
+      <Sha>0362f55e37d73b7e607b2f256279caaac82c8725</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 627b2b015..c6b3ae2bf 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -38,7 +38,7 @@
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19180.1</NETStandardLibraryPackageVersion>
+    <NETStandardLibraryPackageVersion>2.1.0-prerelease.19204.1</NETStandardLibraryPackageVersion>
     <!-- Use a different property name here, as NETStandardLibraryPackageVersion is also set by targets in the NETStandard.Library package,
          which ends up overriding the value set here. -->
     <NETSTandardTargetingPackVersion>$(NETStandardLibraryPackageVersion)</NETSTandardTargetingPackVersion>