diff --git a/src/PlcInterface.Ads/PlcInterface.Ads.csproj b/src/PlcInterface.Ads/PlcInterface.Ads.csproj
index a074323..4f4d996 100644
--- a/src/PlcInterface.Ads/PlcInterface.Ads.csproj
+++ b/src/PlcInterface.Ads/PlcInterface.Ads.csproj
@@ -18,8 +18,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Beckhoff.TwinCAT.Ads" Version="6.1.290" />
-    <PackageReference Include="Beckhoff.TwinCAT.Ads.Reactive" Version="6.1.290" />
+    <PackageReference Include="Beckhoff.TwinCAT.Ads" Version="6.1.203" />
+    <PackageReference Include="Beckhoff.TwinCAT.Ads.Reactive" Version="6.1.203" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
     <PackageReference Include="System.IO.Abstractions" Version="21.0.29" />
diff --git a/src/PlcInterface.Sandbox/PlcInterface.Sandbox.csproj b/src/PlcInterface.Sandbox/PlcInterface.Sandbox.csproj
index 574eb96..f5da391 100644
--- a/src/PlcInterface.Sandbox/PlcInterface.Sandbox.csproj
+++ b/src/PlcInterface.Sandbox/PlcInterface.Sandbox.csproj
@@ -3,13 +3,13 @@
     <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
-  
+
   <ItemGroup>
     <PackageReference Include="Vectron.Extensions.Logging.Console.Formatter" Version="1.0.48" />
     <PackageReference Include="Vectron.InteractiveConsole" Version="1.0.68" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
-    <PackageReference Include="Beckhoff.TwinCAT.Ads.TcpRouter" Version="6.1.290" />
+    <PackageReference Include="Beckhoff.TwinCAT.Ads.TcpRouter" Version="6.1.203" />
   </ItemGroup>
 
   <ItemGroup>