diff --git a/Sensors/MQTTTestClient/MQTTTestClient.csproj b/Sensors/MQTTTestClient/MQTTTestClient.csproj
index b9dbfe6..d3847fa 100644
--- a/Sensors/MQTTTestClient/MQTTTestClient.csproj
+++ b/Sensors/MQTTTestClient/MQTTTestClient.csproj
@@ -8,6 +8,6 @@
 
   <ItemGroup>
     <PackageReference Include="System.Net.Mqtt" Version="0.6.3-beta" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>