diff --git a/src/SourceBuild/tarball/patches/xdt/0001-Also-build-for-netstandard2.0-to-support-NuGet.patch b/src/SourceBuild/tarball/patches/xdt/0001-Also-build-for-netstandard2.0-to-support-NuGet.patch
new file mode 100644
index 000000000..de9bbee75
--- /dev/null
+++ b/src/SourceBuild/tarball/patches/xdt/0001-Also-build-for-netstandard2.0-to-support-NuGet.patch
@@ -0,0 +1,25 @@
+From e5fa6b10f5e4bcb14e3930e4eeae7181765529ee Mon Sep 17 00:00:00 2001
+From: Chris Rummel <crummel@microsoft.com>
+Date: Thu, 21 Oct 2021 16:29:32 -0500
+Subject: [PATCH] Also build for netstandard2.0 to support NuGet.
+
+---
+ .../Microsoft.Web.XmlTransform.csproj                           | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/Microsoft.Web.XmlTransform/Microsoft.Web.XmlTransform.csproj b/src/Microsoft.Web.XmlTransform/Microsoft.Web.XmlTransform.csproj
+index 7cb81d1..f272d7f 100644
+--- a/src/Microsoft.Web.XmlTransform/Microsoft.Web.XmlTransform.csproj
++++ b/src/Microsoft.Web.XmlTransform/Microsoft.Web.XmlTransform.csproj
+@@ -3,7 +3,7 @@
+   <Import Project="$(RepositoryEngineeringDir)\Package.props" />
+   
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.1</TargetFrameworks>
++    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+     <PlatformTarget>AnyCPU</PlatformTarget>
+     <IsPackable>true</IsPackable>
+     <IsShipping>false</IsShipping>
+-- 
+2.31.1
+