diff --git a/Modbus.Net/Modbus.Net.CodeGenerator/Modbus.Net.CodeGenerator.csproj b/Modbus.Net/Modbus.Net.CodeGenerator/Modbus.Net.CodeGenerator.csproj
index e9041c6..bdad474 100644
--- a/Modbus.Net/Modbus.Net.CodeGenerator/Modbus.Net.CodeGenerator.csproj
+++ b/Modbus.Net/Modbus.Net.CodeGenerator/Modbus.Net.CodeGenerator.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.0" />
   </ItemGroup>
 
 </Project>
diff --git a/Samples/MachineJob.CodeGenerator/MachineJob.CodeGenerator.csproj b/Samples/MachineJob.CodeGenerator/MachineJob.CodeGenerator.csproj
index 7ae8fe2..f9fd585 100644
--- a/Samples/MachineJob.CodeGenerator/MachineJob.CodeGenerator.csproj
+++ b/Samples/MachineJob.CodeGenerator/MachineJob.CodeGenerator.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.0" />
   </ItemGroup>