diff --git a/apps/netcore-calc-backend/netcore-calc-backend.csproj b/apps/netcore-calc-backend/netcore-calc-backend.csproj
index 01e9348..d643578 100644
--- a/apps/netcore-calc-backend/netcore-calc-backend.csproj
+++ b/apps/netcore-calc-backend/netcore-calc-backend.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.5" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>