diff --git a/EnvelopeGenerator.CommonServices/EnvelopeGenerator.CommonServices.vbproj b/EnvelopeGenerator.CommonServices/EnvelopeGenerator.CommonServices.vbproj
index fc7b96f6..a3e146c1 100644
--- a/EnvelopeGenerator.CommonServices/EnvelopeGenerator.CommonServices.vbproj
+++ b/EnvelopeGenerator.CommonServices/EnvelopeGenerator.CommonServices.vbproj
@@ -75,8 +75,9 @@
     <Reference Include="DigitalData.Core.Abstraction.Application, Version=1.4.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\DigitalData.Core.Abstraction.Application.1.4.0\lib\net462\DigitalData.Core.Abstraction.Application.dll</HintPath>
     </Reference>
-    <Reference Include="DigitalData.Core.Abstractions, Version=4.2.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\DigitalData.Core.Abstractions.4.2.0\lib\net462\DigitalData.Core.Abstractions.dll</HintPath>
+    <Reference Include="DigitalData.Core.Abstractions, Version=4.3.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\DigitalData.Core.Abstractions.4.3.0\lib\net462\DigitalData.Core.Abstractions.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="DigitalData.Modules.Base, Version=1.3.8.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\DigitalData.Modules.Base.1.3.8\lib\net462\DigitalData.Modules.Base.dll</HintPath>
diff --git a/EnvelopeGenerator.CommonServices/packages.config b/EnvelopeGenerator.CommonServices/packages.config
index c10fe4db..a4d034ce 100644
--- a/EnvelopeGenerator.CommonServices/packages.config
+++ b/EnvelopeGenerator.CommonServices/packages.config
@@ -3,7 +3,7 @@
   <package id="AutoMapper" version="10.1.1" targetFramework="net462" />
   <package id="BouncyCastle.Cryptography" version="2.5.0" targetFramework="net462" />
   <package id="DigitalData.Core.Abstraction.Application" version="1.4.0" targetFramework="net462" />
-  <package id="DigitalData.Core.Abstractions" version="4.2.0" targetFramework="net462" />
+  <package id="DigitalData.Core.Abstractions" version="4.3.0" targetFramework="net462" />
   <package id="DigitalData.Modules.Base" version="1.3.8" targetFramework="net462" />
   <package id="DigitalData.Modules.Config" version="1.3.0" targetFramework="net462" />
   <package id="DigitalData.Modules.Database" version="2.3.5.4" targetFramework="net462" />
diff --git a/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj b/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj
index fc32453e..fc81b9f0 100644
--- a/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj
+++ b/EnvelopeGenerator.Domain/EnvelopeGenerator.Domain.csproj
@@ -37,7 +37,7 @@
     <PackageReference Include="DigitalData.EmailProfilerDispatcher.Abstraction.Attributes" Version="1.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="UserManager.Domain" Version="3.2.3" />
-	<PackageReference Include="DigitalData.Core.Abstractions" Version="4.2.0" />
+	<PackageReference Include="DigitalData.Core.Abstractions" Version="4.3.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj b/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj
index 1edfb1a4..49984959 100644
--- a/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj
+++ b/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj
@@ -69,6 +69,9 @@
     <Reference Include="BouncyCastle.Cryptography, Version=2.0.0.0, Culture=neutral, PublicKeyToken=072edcf4a5328938, processorArchitecture=MSIL">
       <HintPath>..\packages\BouncyCastle.Cryptography.2.5.0\lib\net461\BouncyCastle.Cryptography.dll</HintPath>
     </Reference>
+    <Reference Include="DigitalData.Core.Abstractions, Version=4.3.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\DigitalData.Core.Abstractions.4.3.0\lib\net462\DigitalData.Core.Abstractions.dll</HintPath>
+    </Reference>
     <Reference Include="DigitalData.Modules.Base, Version=1.3.8.0, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\2_DLL Projekte\DDModules\Base\bin\Debug\DigitalData.Modules.Base.dll</HintPath>
@@ -175,6 +178,12 @@
       <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.8.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Microsoft.Extensions.DependencyInjection, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.DependencyInjection.7.0.0\lib\net462\Microsoft.Extensions.DependencyInjection.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.DependencyInjection.Abstractions.7.0.0\lib\net462\Microsoft.Extensions.DependencyInjection.Abstractions.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.Extensions.Logging.Abstractions, Version=7.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Extensions.Logging.Abstractions.7.0.0\lib\net462\Microsoft.Extensions.Logging.Abstractions.dll</HintPath>
     </Reference>
diff --git a/EnvelopeGenerator.Service/packages.config b/EnvelopeGenerator.Service/packages.config
index 233ffc6c..ccc0f6f8 100644
--- a/EnvelopeGenerator.Service/packages.config
+++ b/EnvelopeGenerator.Service/packages.config
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle.Cryptography" version="2.5.0" targetFramework="net48" />
+  <package id="DigitalData.Core.Abstractions" version="4.3.0" targetFramework="net462" />
   <package id="DocumentFormat.OpenXml" version="3.2.0" targetFramework="net48" />
   <package id="DocumentFormat.OpenXml.Framework" version="3.2.0" targetFramework="net48" />
   <package id="EntityFramework" version="6.4.4" targetFramework="net48" />
@@ -11,6 +12,8 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="6.0.0" targetFramework="net48" />
   <package id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" targetFramework="net48" />
   <package id="Microsoft.CSharp" version="4.7.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.DependencyInjection" version="7.0.0" targetFramework="net462" />
+  <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="7.0.0" targetFramework="net462" />
   <package id="Microsoft.Extensions.Logging.Abstractions" version="7.0.0" targetFramework="net462" />
   <package id="Microsoft.VisualBasic" version="10.3.0" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
diff --git a/EnvelopeGenerator.Tests.Application/EnvelopeGenerator.Tests.Application.csproj b/EnvelopeGenerator.Tests.Application/EnvelopeGenerator.Tests.Application.csproj
index aeb3480d..014d6255 100644
--- a/EnvelopeGenerator.Tests.Application/EnvelopeGenerator.Tests.Application.csproj
+++ b/EnvelopeGenerator.Tests.Application/EnvelopeGenerator.Tests.Application.csproj
@@ -21,7 +21,7 @@
     <PackageReference Include="Bogus" Version="35.6.3" />
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
     <PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.4.0" />
-    <PackageReference Include="DigitalData.Core.Abstractions" Version="4.2.0" />
+    <PackageReference Include="DigitalData.Core.Abstractions" Version="4.3.0" />
     <PackageReference Include="DigitalData.Core.API" Version="2.2.1" />
     <PackageReference Include="DigitalData.Core.Application" Version="3.4.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.20" />