diff --git a/nuget/Auth0.OidcClient.WPF.nuspec b/nuget/Auth0.OidcClient.WPF.nuspec
index 56995c03..aa6d90cb 100644
--- a/nuget/Auth0.OidcClient.WPF.nuspec
+++ b/nuget/Auth0.OidcClient.WPF.nuspec
@@ -3,7 +3,7 @@
 <package>
   <metadata>
     <id>Auth0.OidcClient.WPF</id>
-    <version>3.1.3</version>
+    <version>3.1.4</version>
     <authors>Auth0</authors>
     <owners>Auth0</owners>
     <license type="expression">Apache-2.0</license>
@@ -12,6 +12,9 @@
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Auth0 OIDC Client for WPF apps</description>
     <releaseNotes>
+      Version 3.1.4
+      - Now supports .NET Core 3.1 projects
+
       Version 3.1.3
       - WPF version is now actually strong-named.
 
@@ -75,11 +78,17 @@
         <dependency id="Auth0.OidcClient.Core" version="3.1.2" />
         <dependency id="Microsoft.Toolkit.Wpf.UI.Controls.WebView" version="6.0.0"/>
       </group>
+      <group targetFramework="netcoreapp3.1">
+        <dependency id="Auth0.OidcClient.Core" version="3.1.2" />
+        <dependency id="Microsoft.Toolkit.Forms.UI.Controls.WebView" version="6.0.0"/>
+      </group>
     </dependencies>
   </metadata>
   <files>
-    <file src="..\src\Auth0.OidcClient.WPF\bin\Release\Auth0.OidcClient.dll" target="lib\net462" />
-    <file src="..\src\Auth0.OidcClient.WPF\bin\Release\Auth0.OidcClient.xml" target="lib\net462" />
+    <file src="..\src\Auth0.OidcClient.WPF\bin\Release\net462\Auth0.OidcClient.dll" target="lib\net462" />
+    <file src="..\src\Auth0.OidcClient.WPF\bin\Release\net462\Auth0.OidcClient.xml" target="lib\net462" />
+    <file src="..\src\Auth0.OidcClient.WPF\bin\Release\netcoreapp3.1\Auth0.OidcClient.dll" target="lib\netcoreapp3.1" />
+    <file src="..\src\Auth0.OidcClient.WPF\bin\Release\netcoreapp3.1\Auth0.OidcClient.xml" target="lib\netcoreapp3.1" />
     <file src="..\build\Auth0Icon.png" />
   </files>
 </package>
\ No newline at end of file
diff --git a/nuget/Auth0.OidcClient.WinForms.nuspec b/nuget/Auth0.OidcClient.WinForms.nuspec
index a75e9c54..c2406941 100644
--- a/nuget/Auth0.OidcClient.WinForms.nuspec
+++ b/nuget/Auth0.OidcClient.WinForms.nuspec
@@ -3,7 +3,7 @@
 <package>
   <metadata>
     <id>Auth0.OidcClient.WinForms</id>
-    <version>3.1.2</version>
+    <version>3.1.3</version>
     <authors>Auth0</authors>
     <owners>Auth0</owners>
     <license type="expression">Apache-2.0</license>
@@ -12,6 +12,9 @@
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Auth0 OIDC Client for WinForms apps</description>
     <releaseNotes>
+      Version 3.1.3
+      - Now supports .NET Core 3.1 projects
+
       Version 3.1.2
       - Allow ID tokens "issued at" (iat) claims from "the future" to allow
         slow local clocks on mobile and desktop devices.
@@ -74,11 +77,17 @@
         <dependency id="Auth0.OidcClient.Core" version="3.1.2" />
         <dependency id="Microsoft.Toolkit.Forms.UI.Controls.WebView" version="6.0.0"/>
       </group>
+      <group targetFramework="netcoreapp3.1">
+        <dependency id="Auth0.OidcClient.Core" version="3.1.2" />
+        <dependency id="Microsoft.Toolkit.Forms.UI.Controls.WebView" version="6.0.0"/>
+      </group>
     </dependencies>
   </metadata>
   <files>
-    <file src="..\src\Auth0.OidcClient.WinForms\bin\Release\Auth0.OidcClient.dll" target="lib\net462" />
-    <file src="..\src\Auth0.OidcClient.WinForms\bin\Release\Auth0.OidcClient.xml" target="lib\net462" />
+    <file src="..\src\Auth0.OidcClient.WinForms\bin\Release\net462\Auth0.OidcClient.dll" target="lib\net462" />
+    <file src="..\src\Auth0.OidcClient.WinForms\bin\Release\net462\Auth0.OidcClient.xml" target="lib\net462" />
+    <file src="..\src\Auth0.OidcClient.WinForms\bin\Release\netcoreapp3.1\Auth0.OidcClient.dll" target="lib\netcoreapp3.1" />
+    <file src="..\src\Auth0.OidcClient.WinForms\bin\Release\netcoreapp3.1\Auth0.OidcClient.xml" target="lib\netcoreapp3.1" />
     <file src="..\build\Auth0Icon.png" />
   </files>
 </package>
\ No newline at end of file
diff --git a/src/Auth0.OidcClient.WPF/Auth0.OidcClient.WPF.csproj b/src/Auth0.OidcClient.WPF/Auth0.OidcClient.WPF.csproj
index c8a0bf26..49b6a9aa 100644
--- a/src/Auth0.OidcClient.WPF/Auth0.OidcClient.WPF.csproj
+++ b/src/Auth0.OidcClient.WPF/Auth0.OidcClient.WPF.csproj
@@ -1,105 +1,36 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{F5F9BBD8-0BC0-415C-9DF1-D830699B00C4}</ProjectGuid>
+    <TargetFrameworks>net462;netcoreapp3.1</TargetFrameworks>
     <OutputType>library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Auth0.OidcClient</RootNamespace>
     <AssemblyName>Auth0.OidcClient</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
-    <WarningLevel>4</WarningLevel>
-    <TargetFrameworkProfile />
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <UseWPF>true</UseWPF>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
     <DefineConstants>TRACE;DEBUG;WPF</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <TargetFrameworks>net462;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
     <DefineConstants>TRACE;WPF</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
     <DocumentationFile>bin\Release\Auth0.OidcClient.xml</DocumentationFile>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\build\Auth0OidcClientStrongName.snk</AssemblyOriginatorKeyFile>
+    <TargetFrameworks>net462;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Xml" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xaml">
-      <RequiredTargetFramework>4.0</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="WindowsBase" />
-    <Reference Include="PresentationCore" />
-    <Reference Include="PresentationFramework" />
-  </ItemGroup>
-  <ItemGroup>
-    <Page Include="Themes\Generic.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Auth0Client.cs" />
-    <Compile Include="WebBrowserBrowser.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs">
-      <SubType>Code</SubType>
-    </Compile>
-    <Compile Include="Properties\Resources.Designer.cs">
-      <AutoGen>True</AutoGen>
-      <DesignTime>True</DesignTime>
-      <DependentUpon>Resources.resx</DependentUpon>
-    </Compile>
-    <Compile Include="Properties\Settings.Designer.cs">
-      <AutoGen>True</AutoGen>
-      <DependentUpon>Settings.settings</DependentUpon>
-      <DesignTimeSharedInput>True</DesignTimeSharedInput>
-    </Compile>
-    <Compile Include="WebViewBrowser.cs" />
-    <EmbeddedResource Include="Properties\Resources.resx">
-      <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <None Include="Properties\Settings.settings">
-      <Generator>SettingsSingleFileGenerator</Generator>
-      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
-    </None>
     <AppDesigner Include="Properties\" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\Auth0.OidcClient.Core\Auth0.OidcClient.Core.csproj">
-      <Project>{1f79db59-f3a8-45b7-972b-ecd15259d1c9}</Project>
-      <Name>Auth0.OidcClient.Core</Name>
-    </ProjectReference>
+    <ProjectReference Include="..\Auth0.OidcClient.Core\Auth0.OidcClient.Core.csproj" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="IdentityModel.OidcClient">
       <Version>3.1.2</Version>
     </PackageReference>
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.Toolkit.Wpf.UI.Controls.WebView">
       <Version>6.0.0</Version>
     </PackageReference>
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>
\ No newline at end of file
diff --git a/src/Auth0.OidcClient.WinForms/Auth0.OidcClient.WinForms.csproj b/src/Auth0.OidcClient.WinForms/Auth0.OidcClient.WinForms.csproj
index 3ecf0f4e..f2172b7d 100644
--- a/src/Auth0.OidcClient.WinForms/Auth0.OidcClient.WinForms.csproj
+++ b/src/Auth0.OidcClient.WinForms/Auth0.OidcClient.WinForms.csproj
@@ -1,85 +1,36 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{34085D04-7E7B-4A5E-8377-D3995983919E}</ProjectGuid>
+    <TargetFrameworks>net462;netcoreapp3.1</TargetFrameworks>
     <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Auth0.OidcClient</RootNamespace>
     <AssemblyName>Auth0.OidcClient</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <TargetFrameworkProfile />
-    <NuGetPackageImportStamp>
-    </NuGetPackageImportStamp>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <UseWindowsForms>true</UseWindowsForms>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
     <DefineConstants>TRACE;DEBUG;WINFORMS</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <TargetFrameworks>net462;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
     <DefineConstants>TRACE;WINFORMS</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
     <DocumentationFile>bin\Release\Auth0.OidcClient.xml</DocumentationFile>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\build\Auth0OidcClientStrongName.snk</AssemblyOriginatorKeyFile>
+    <TargetFrameworks>net462;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationManifest>app.manifest</ApplicationManifest>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Xml" />
-    <Reference Include="mscorlib" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Auth0Client.cs" />
-    <Compile Include="ExtendedWebBrowser.cs">
-      <SubType>Component</SubType>
-    </Compile>
-    <Compile Include="WebBrowserBrowser.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="WebViewBrowser.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="app.manifest" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\Auth0.OidcClient.Core\Auth0.OidcClient.Core.csproj">
-      <Project>{1f79db59-f3a8-45b7-972b-ecd15259d1c9}</Project>
-      <Name>Auth0.OidcClient.Core</Name>
-    </ProjectReference>
+    <ProjectReference Include="..\Auth0.OidcClient.Core\Auth0.OidcClient.Core.csproj" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="IdentityModel.OidcClient">
       <Version>3.1.2</Version>
     </PackageReference>
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.Toolkit.Forms.UI.Controls.WebView">
       <Version>6.0.0</Version>
     </PackageReference>
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>
\ No newline at end of file