diff --git a/IoTClient.Tests/IoTClient.Tests.csproj b/IoTClient.Tests/IoTClient.Tests.csproj
index d91cb8f..825a480 100644
--- a/IoTClient.Tests/IoTClient.Tests.csproj
+++ b/IoTClient.Tests/IoTClient.Tests.csproj
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="2.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\IoTClient\IoTClient.csproj" />
diff --git a/IoTServer/IoTServer.csproj b/IoTServer/IoTServer.csproj
index e56e295..317d49d 100644
--- a/IoTServer/IoTServer.csproj
+++ b/IoTServer/IoTServer.csproj
@@ -39,7 +39,7 @@
 
   <ItemGroup>
     <PackageReference Include="IoTClient" Version="0.0.78" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Talk.BACnet" Version="1.0.2" />
   </ItemGroup>