diff --git a/Jenkinsfile b/Jenkinsfile
index f92d9e1..6bc1e7c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -85,7 +85,7 @@ pipeline {
     post {
         failure {
             script {
-                currentBuild.description = "Sicherheits-Check fehlgeschlagen! Details im Trivy Security Report."
+                currentBuild.description = "Build Fehler. Ev. Sicherheits-Check fehlgeschlagen! Details im Trivy Security Report."
             }
         }
         always {
diff --git a/MyHelloWorld.Tests/MyHelloWorld.Tests.csproj b/MyHelloWorld.Tests/MyHelloWorld.Tests.csproj
index 527885e..ae009cd 100644
--- a/MyHelloWorld.Tests/MyHelloWorld.Tests.csproj
+++ b/MyHelloWorld.Tests/MyHelloWorld.Tests.csproj
@@ -7,7 +7,6 @@
 
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
-    <NoWarn>$(NoWarn);NU1901;NU1902;NU1903;NU1904;NU1605</NoWarn>
     <WarningsAsErrors></WarningsAsErrors> 
   </PropertyGroup>
 
@@ -17,7 +16,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit" Version="2.5.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfo.cs b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfo.cs
index 97bb600..6efb8f0 100644
--- a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfo.cs
+++ b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfo.cs
@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("MyHelloWorld.Tests")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+5454f03ddb4b3eb2300fa4d7dde94814ffd7c607")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+942cc3f2cf18be339a700e881c371dd368773eea")]
 [assembly: System.Reflection.AssemblyProductAttribute("MyHelloWorld.Tests")]
 [assembly: System.Reflection.AssemblyTitleAttribute("MyHelloWorld.Tests")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfoInputs.cache b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfoInputs.cache
index fb01c97..fefe263 100644
--- a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfoInputs.cache
+++ b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.AssemblyInfoInputs.cache
@@ -1 +1 @@
-e906e9e895a27502cddb2517d263bd5de60a1635334d4fe6ed7c2e3d25606bb7
+0a20ce78a6374bdedd3e2eecf6917425b5dfc4903832b7092a1731e7d9f97dae
diff --git a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.assets.cache b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.assets.cache
index f370709..0a7b3ea 100644
Binary files a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.assets.cache and b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.assets.cache differ
diff --git a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.csproj.AssemblyReference.cache b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.csproj.AssemblyReference.cache
index 7288664..6ed17fb 100644
Binary files a/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.csproj.AssemblyReference.cache and b/MyHelloWorld.Tests/obj/Debug/net8.0/MyHelloWorld.Tests.csproj.AssemblyReference.cache differ
diff --git a/MyHelloWorld.Tests/obj/MyHelloWorld.Tests.csproj.nuget.dgspec.json b/MyHelloWorld.Tests/obj/MyHelloWorld.Tests.csproj.nuget.dgspec.json
index 87e627f..dc75425 100644
--- a/MyHelloWorld.Tests/obj/MyHelloWorld.Tests.csproj.nuget.dgspec.json
+++ b/MyHelloWorld.Tests/obj/MyHelloWorld.Tests.csproj.nuget.dgspec.json
@@ -32,15 +32,6 @@
             }
           }
         },
-        "warningProperties": {
-          "noWarn": [
-            "NU1605",
-            "NU1901",
-            "NU1902",
-            "NU1903",
-            "NU1904"
-          ]
-        },
         "restoreAuditProperties": {
           "enableAudit": "true",
           "auditLevel": "low",
@@ -61,7 +52,7 @@
             },
             "Newtonsoft.Json": {
               "target": "Package",
-              "version": "[12.0.3, )"
+              "version": "[13.0.3, )"
             },
             "coverlet.collector": {
               "target": "Package",
diff --git a/MyHelloWorld.Tests/obj/project.assets.json b/MyHelloWorld.Tests/obj/project.assets.json
index 7e22468..11c345b 100644
--- a/MyHelloWorld.Tests/obj/project.assets.json
+++ b/MyHelloWorld.Tests/obj/project.assets.json
@@ -377,15 +377,15 @@
           "System.Xml.XDocument": "4.3.0"
         }
       },
-      "Newtonsoft.Json/12.0.3": {
+      "Newtonsoft.Json/13.0.3": {
         "type": "package",
         "compile": {
-          "lib/netstandard2.0/Newtonsoft.Json.dll": {
+          "lib/net6.0/Newtonsoft.Json.dll": {
             "related": ".xml"
           }
         },
         "runtime": {
-          "lib/netstandard2.0/Newtonsoft.Json.dll": {
+          "lib/net6.0/Newtonsoft.Json.dll": {
             "related": ".xml"
           }
         }
@@ -2138,14 +2138,15 @@
         "netstandard.library.nuspec"
       ]
     },
-    "Newtonsoft.Json/12.0.3": {
-      "sha512": "6mgjfnRB4jKMlzHSl+VD+oUc1IebOZabkbyWj2RiTgWwYPPuaK1H97G1sHqGwPlS5npiF5Q0OrxN1wni2n5QWg==",
+    "Newtonsoft.Json/13.0.3": {
+      "sha512": "HrC5BXdl00IP9zeV+0Z848QWPAoCr9P3bDEZguI+gkLcBKAOxix/tLEAAHC+UvDNPv4a2d18lOReHMOagPa+zQ==",
       "type": "package",
-      "path": "newtonsoft.json/12.0.3",
+      "path": "newtonsoft.json/13.0.3",
       "files": [
         ".nupkg.metadata",
         ".signature.p7s",
         "LICENSE.md",
+        "README.md",
         "lib/net20/Newtonsoft.Json.dll",
         "lib/net20/Newtonsoft.Json.xml",
         "lib/net35/Newtonsoft.Json.dll",
@@ -2154,17 +2155,15 @@
         "lib/net40/Newtonsoft.Json.xml",
         "lib/net45/Newtonsoft.Json.dll",
         "lib/net45/Newtonsoft.Json.xml",
+        "lib/net6.0/Newtonsoft.Json.dll",
+        "lib/net6.0/Newtonsoft.Json.xml",
         "lib/netstandard1.0/Newtonsoft.Json.dll",
         "lib/netstandard1.0/Newtonsoft.Json.xml",
         "lib/netstandard1.3/Newtonsoft.Json.dll",
         "lib/netstandard1.3/Newtonsoft.Json.xml",
         "lib/netstandard2.0/Newtonsoft.Json.dll",
         "lib/netstandard2.0/Newtonsoft.Json.xml",
-        "lib/portable-net40+sl5+win8+wp8+wpa81/Newtonsoft.Json.dll",
-        "lib/portable-net40+sl5+win8+wp8+wpa81/Newtonsoft.Json.xml",
-        "lib/portable-net45+win8+wp8+wpa81/Newtonsoft.Json.dll",
-        "lib/portable-net45+win8+wp8+wpa81/Newtonsoft.Json.xml",
-        "newtonsoft.json.12.0.3.nupkg.sha512",
+        "newtonsoft.json.13.0.3.nupkg.sha512",
         "newtonsoft.json.nuspec",
         "packageIcon.png"
       ]
@@ -5545,7 +5544,7 @@
     "net8.0": [
       "JunitXml.TestLogger >= 8.0.0",
       "Microsoft.NET.Test.Sdk >= 17.8.0",
-      "Newtonsoft.Json >= 12.0.3",
+      "Newtonsoft.Json >= 13.0.3",
       "SecDevOpsLab >= 1.0.0",
       "coverlet.collector >= 6.0.0",
       "xunit >= 2.5.3",
@@ -5583,15 +5582,6 @@
           }
         }
       },
-      "warningProperties": {
-        "noWarn": [
-          "NU1605",
-          "NU1901",
-          "NU1902",
-          "NU1903",
-          "NU1904"
-        ]
-      },
       "restoreAuditProperties": {
         "enableAudit": "true",
         "auditLevel": "low",
@@ -5612,7 +5602,7 @@
           },
           "Newtonsoft.Json": {
             "target": "Package",
-            "version": "[12.0.3, )"
+            "version": "[13.0.3, )"
           },
           "coverlet.collector": {
             "target": "Package",
diff --git a/MyHelloWorld.Tests/obj/project.nuget.cache b/MyHelloWorld.Tests/obj/project.nuget.cache
index 25eed81..93c79c6 100644
--- a/MyHelloWorld.Tests/obj/project.nuget.cache
+++ b/MyHelloWorld.Tests/obj/project.nuget.cache
@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "dgSpecHash": "AxMlimmOwXI=",
+  "dgSpecHash": "mYv6D7SDGvk=",
   "success": true,
   "projectFilePath": "C:\\Users\\HermanH\\SecDevOpsLab\\MyHelloWorld.Tests\\MyHelloWorld.Tests.csproj",
   "expectedPackageFiles": [
@@ -14,7 +14,7 @@
     "C:\\Users\\HermanH\\.nuget\\packages\\microsoft.testplatform.testhost\\17.8.0\\microsoft.testplatform.testhost.17.8.0.nupkg.sha512",
     "C:\\Users\\HermanH\\.nuget\\packages\\microsoft.win32.primitives\\4.3.0\\microsoft.win32.primitives.4.3.0.nupkg.sha512",
     "C:\\Users\\HermanH\\.nuget\\packages\\netstandard.library\\1.6.1\\netstandard.library.1.6.1.nupkg.sha512",
-    "C:\\Users\\HermanH\\.nuget\\packages\\newtonsoft.json\\12.0.3\\newtonsoft.json.12.0.3.nupkg.sha512",
+    "C:\\Users\\HermanH\\.nuget\\packages\\newtonsoft.json\\13.0.3\\newtonsoft.json.13.0.3.nupkg.sha512",
     "C:\\Users\\HermanH\\.nuget\\packages\\nuget.frameworks\\6.5.0\\nuget.frameworks.6.5.0.nupkg.sha512",
     "C:\\Users\\HermanH\\.nuget\\packages\\runtime.debian.8-x64.runtime.native.system.security.cryptography.openssl\\4.3.0\\runtime.debian.8-x64.runtime.native.system.security.cryptography.openssl.4.3.0.nupkg.sha512",
     "C:\\Users\\HermanH\\.nuget\\packages\\runtime.fedora.23-x64.runtime.native.system.security.cryptography.openssl\\4.3.0\\runtime.fedora.23-x64.runtime.native.system.security.cryptography.openssl.4.3.0.nupkg.sha512",