diff --git a/Xero.NetStandard.OAuth2.Test/Xero.NetStandard.OAuth2.Test.csproj b/Xero.NetStandard.OAuth2.Test/Xero.NetStandard.OAuth2.Test.csproj
index dce0f22b..f01b183a 100644
--- a/Xero.NetStandard.OAuth2.Test/Xero.NetStandard.OAuth2.Test.csproj
+++ b/Xero.NetStandard.OAuth2.Test/Xero.NetStandard.OAuth2.Test.csproj
@@ -5,24 +5,20 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Xero.NetStandard.OAuth2.Test</RootNamespace>
     <AssemblyName>Xero.NetStandard.OAuth2.Test</AssemblyName>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="CompareNETObjects" Version="4.57.0" />
-    <PackageReference Include="JsonSubTypes" Version="1.5.2" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="4.5.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="*" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="3.1.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="3.1.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="3.1.0" />
-    <PackageReference Include="AutoBogus" Version="2.7.4" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
+    <PackageReference Include="AutoBogus" Version="2.13.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Xero.NetStandard.OAuth2\Xero.NetStandard.OAuth2.csproj">
diff --git a/Xero.NetStandard.OAuth2/Xero.NetStandard.OAuth2.csproj b/Xero.NetStandard.OAuth2/Xero.NetStandard.OAuth2.csproj
index 941a1638..7bad6068 100644
--- a/Xero.NetStandard.OAuth2/Xero.NetStandard.OAuth2.csproj
+++ b/Xero.NetStandard.OAuth2/Xero.NetStandard.OAuth2.csproj
@@ -27,10 +27,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-      <PackageReference Include="CompareNETObjects" Version="4.57.0" />
-      <PackageReference Include="JsonSubTypes" Version="1.5.2" />
-      <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-      <PackageReference Include="System.ComponentModel.Annotations" Version="4.5.0" />
+      <PackageReference Include="CompareNETObjects" Version="4.83.0" />
+      <PackageReference Include="JsonSubTypes" Version="2.0.1" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+      <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
   </ItemGroup>
 
 
diff --git a/Xero.NetStandard.OAuth2Client/Xero.NetStandard.OAuth2Client.csproj b/Xero.NetStandard.OAuth2Client/Xero.NetStandard.OAuth2Client.csproj
index 4a859c5a..582dc6d4 100644
--- a/Xero.NetStandard.OAuth2Client/Xero.NetStandard.OAuth2Client.csproj
+++ b/Xero.NetStandard.OAuth2Client/Xero.NetStandard.OAuth2Client.csproj
@@ -13,8 +13,8 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="IdentityModel" Version="7.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.10.2" />
-    <PackageReference Include="System.Net.Http.Json" Version="5.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.1.0" />
+    <PackageReference Include="System.Net.Http.Json" Version="8.0.0" />
   </ItemGroup>
 </Project>