diff --git a/Chapter-2/CalculatorApplication/V1.5/CalculatorService/packages.config b/Chapter-2/CalculatorApplication/V1.5/CalculatorService/packages.config
index 116bd53..012f290 100644
--- a/Chapter-2/CalculatorApplication/V1.5/CalculatorService/packages.config
+++ b/Chapter-2/CalculatorApplication/V1.5/CalculatorService/packages.config
@@ -6,5 +6,5 @@
   <package id="Microsoft.ServiceFabric.FabricTransport.Internal" version="2.8.211" targetFramework="net452" />
   <package id="Microsoft.ServiceFabric.Services" version="2.8.211" targetFramework="net452" />
   <package id="Microsoft.ServiceFabric.Services.Remoting" version="2.8.211" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net452" />
 </packages>
\ No newline at end of file