diff --git a/xscgen-proj/xscgen-proj.csproj b/xscgen-proj/xscgen-proj.csproj
index 478180a0..cd2847fc 100644
--- a/xscgen-proj/xscgen-proj.csproj
+++ b/xscgen-proj/xscgen-proj.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
     <Description>A .NET Core CLI tool to generate XmlSerializer compatible C# classes from XML Schema files.</Description>
     <Copyright>Copyright 2013-$([System.DateTime]::Now.Year) Michael Ganss</Copyright>
     <AssemblyTitle>xscgen</AssemblyTitle>
diff --git a/xscgen/xscgen.csproj b/xscgen/xscgen.csproj
index 0eb9280c..5bd3208f 100644
--- a/xscgen/xscgen.csproj
+++ b/xscgen/xscgen.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
     <Description>A .NET Core CLI tool to generate XmlSerializer compatible C# classes from XML Schema files.</Description>
     <Copyright>Copyright 2013-$([System.DateTime]::Now.Year) Michael Ganss</Copyright>
     <AssemblyTitle>xscgen</AssemblyTitle>