diff --git a/Sol_Demo/PLC.UtilityModel/PLC.UtilityModel.csproj b/Sol_Demo/PLC.UtilityModel/PLC.UtilityModel.csproj
index b0b7bd4..395447f 100644
--- a/Sol_Demo/PLC.UtilityModel/PLC.UtilityModel.csproj
+++ b/Sol_Demo/PLC.UtilityModel/PLC.UtilityModel.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>