diff --git a/Chapter04/NetCoreAPI/NetCoreAPI.csproj b/Chapter04/NetCoreAPI/NetCoreAPI.csproj
index 9d18807..6322fb1 100644
--- a/Chapter04/NetCoreAPI/NetCoreAPI.csproj
+++ b/Chapter04/NetCoreAPI/NetCoreAPI.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Confluent.Kafka" Version="1.4.2" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>