diff --git a/M6/4-graph/CSharp/graph-client.csproj b/M6/4-graph/CSharp/graph-client.csproj
index 6bef385f..78a21933 100644
--- a/M6/4-graph/CSharp/graph-client.csproj
+++ b/M6/4-graph/CSharp/graph-client.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="3.1.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.0" />
     <PackageReference Include="Microsoft.Identity.Client" Version="4.12.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>