diff --git a/Chapter06/example-voting-app/worker/src/Worker/Worker.csproj b/Chapter06/example-voting-app/worker/src/Worker/Worker.csproj
index c1939d3..61940db 100644
--- a/Chapter06/example-voting-app/worker/src/Worker/Worker.csproj
+++ b/Chapter06/example-voting-app/worker/src/Worker/Worker.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="StackExchange.Redis" Version="1.1.604-alpha" />
     <PackageReference Include="Npgsql" Version="3.1.3" />
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file