diff --git a/Ocaramba.UnitTests/App.config b/Ocaramba.UnitTests/App.config
index b6c7d119..ca213d8b 100644
--- a/Ocaramba.UnitTests/App.config
+++ b/Ocaramba.UnitTests/App.config
@@ -105,4 +105,24 @@
    <InternetExplorerPreferences>
     <!--<add key="InternetExplorerArgument" value=""/>-->
   </InternetExplorerPreferences>
+	<startup>
+		<supportedRuntime version="v4.7.2" sku=".NETFramework,Version=v4.7.2"/>
+	</startup>
+
+	<runtime>
+		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+			<dependentAssembly>
+				<assemblyIdentity name="System.Text.Json" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+				<bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="9.0.0.0" />
+			</dependentAssembly>
+			<dependentAssembly>
+				<assemblyIdentity name="System.Text.Encodings.Web" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+				<bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="9.0.0.0" />
+			</dependentAssembly>
+			<dependentAssembly>
+				<assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+				<bindingRedirect oldVersion="0.0.0.0-4.0.4.1" newVersion="6.0.0.0" />
+			</dependentAssembly>
+		</assemblyBinding>
+	</runtime>
 </configuration>
diff --git a/Ocaramba.UnitTests/Ocaramba.UnitTests.csproj b/Ocaramba.UnitTests/Ocaramba.UnitTests.csproj
index 8464d8d2..9f63e504 100644
--- a/Ocaramba.UnitTests/Ocaramba.UnitTests.csproj
+++ b/Ocaramba.UnitTests/Ocaramba.UnitTests.csproj
@@ -4,14 +4,12 @@
 <TargetFrameworks>net8.0</TargetFrameworks>
 <TargetFrameworks Condition="'$(OS)' != 'Unix'">net472;net8.0</TargetFrameworks>
   </PropertyGroup>
-  
   <ItemGroup>
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="14.2.0" />
-    
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
     <PackageReference Include="NLog" Version="5.3.4" />
-    
-    
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit.Runners" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0">
diff --git a/Ocaramba.UnitTests/packages.lock.json b/Ocaramba.UnitTests/packages.lock.json
index 98d6955d..723be263 100644
--- a/Ocaramba.UnitTests/packages.lock.json
+++ b/Ocaramba.UnitTests/packages.lock.json
@@ -85,6 +85,28 @@
         "resolved": "9.0.0",
         "contentHash": "PdkuMrwDhXoKFo/JxISIi9E8L+QGn9Iquj2OKDWHB6Y/HnUOuBouF7uS3R4Hw3FoNmwwMo6hWgazQdyHIIs27A=="
       },
+      "System.Runtime.CompilerServices.Unsafe": {
+        "type": "Direct",
+        "requested": "[6.0.0, )",
+        "resolved": "6.0.0",
+        "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
+      },
+      "System.Text.Json": {
+        "type": "Direct",
+        "requested": "[9.0.0, )",
+        "resolved": "9.0.0",
+        "contentHash": "js7+qAu/9mQvnhA4EfGMZNEzXtJCDxgkgj8ohuxq/Qxv+R56G+ljefhiJHOxTNiw54q8vmABCWUwkMulNdlZ4A==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.0",
+          "System.Buffers": "4.5.1",
+          "System.IO.Pipelines": "9.0.0",
+          "System.Memory": "4.5.5",
+          "System.Runtime.CompilerServices.Unsafe": "6.0.0",
+          "System.Text.Encodings.Web": "9.0.0",
+          "System.Threading.Tasks.Extensions": "4.5.4",
+          "System.ValueTuple": "4.5.0"
+        }
+      },
       "BouncyCastle.Cryptography": {
         "type": "Transitive",
         "resolved": "2.3.1",
@@ -262,11 +284,6 @@
         "resolved": "4.5.0",
         "contentHash": "QQTlPTl06J/iiDbJCiepZ4H//BVraReU4O4EoRw1U02H5TLUIT7xn3GnDp9AXPSlJUDyFs4uWjWafNX6WrAojQ=="
       },
-      "System.Runtime.CompilerServices.Unsafe": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
-      },
       "System.Security.Cryptography.Pkcs": {
         "type": "Transitive",
         "resolved": "8.0.1",
@@ -295,21 +312,6 @@
           "System.Runtime.CompilerServices.Unsafe": "6.0.0"
         }
       },
-      "System.Text.Json": {
-        "type": "Transitive",
-        "resolved": "9.0.0",
-        "contentHash": "js7+qAu/9mQvnhA4EfGMZNEzXtJCDxgkgj8ohuxq/Qxv+R56G+ljefhiJHOxTNiw54q8vmABCWUwkMulNdlZ4A==",
-        "dependencies": {
-          "Microsoft.Bcl.AsyncInterfaces": "9.0.0",
-          "System.Buffers": "4.5.1",
-          "System.IO.Pipelines": "9.0.0",
-          "System.Memory": "4.5.5",
-          "System.Runtime.CompilerServices.Unsafe": "6.0.0",
-          "System.Text.Encodings.Web": "9.0.0",
-          "System.Threading.Tasks.Extensions": "4.5.4",
-          "System.ValueTuple": "4.5.0"
-        }
-      },
       "System.Threading.Tasks.Extensions": {
         "type": "Transitive",
         "resolved": "4.5.4",
@@ -463,6 +465,22 @@
           "System.Security.Cryptography.ProtectedData": "9.0.0"
         }
       },
+      "System.Runtime.CompilerServices.Unsafe": {
+        "type": "Direct",
+        "requested": "[6.0.0, )",
+        "resolved": "6.0.0",
+        "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
+      },
+      "System.Text.Json": {
+        "type": "Direct",
+        "requested": "[9.0.0, )",
+        "resolved": "9.0.0",
+        "contentHash": "js7+qAu/9mQvnhA4EfGMZNEzXtJCDxgkgj8ohuxq/Qxv+R56G+ljefhiJHOxTNiw54q8vmABCWUwkMulNdlZ4A==",
+        "dependencies": {
+          "System.IO.Pipelines": "9.0.0",
+          "System.Text.Encodings.Web": "9.0.0"
+        }
+      },
       "BouncyCastle.Cryptography": {
         "type": "Transitive",
         "resolved": "2.3.1",
@@ -1309,11 +1327,6 @@
           "System.Configuration.ConfigurationManager": "8.0.1"
         }
       },
-      "System.Runtime.CompilerServices.Unsafe": {
-        "type": "Transitive",
-        "resolved": "6.0.0",
-        "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
-      },
       "System.Security.AccessControl": {
         "type": "Transitive",
         "resolved": "6.0.1",
@@ -1422,15 +1435,6 @@
         "resolved": "9.0.0",
         "contentHash": "e2hMgAErLbKyUUwt18qSBf9T5Y+SFAL3ZedM8fLupkVj8Rj2PZ9oxQ37XX2LF8fTO1wNIxvKpihD7Of7D/NxZw=="
       },
-      "System.Text.Json": {
-        "type": "Transitive",
-        "resolved": "9.0.0",
-        "contentHash": "js7+qAu/9mQvnhA4EfGMZNEzXtJCDxgkgj8ohuxq/Qxv+R56G+ljefhiJHOxTNiw54q8vmABCWUwkMulNdlZ4A==",
-        "dependencies": {
-          "System.IO.Pipelines": "9.0.0",
-          "System.Text.Encodings.Web": "9.0.0"
-        }
-      },
       "System.Threading.AccessControl": {
         "type": "Transitive",
         "resolved": "9.0.0-preview.6.24327.7",