diff --git a/DotnetTryMaterial/TOCBuilder/TOCBuilder.csproj b/DotnetTryMaterial/TOCBuilder/TOCBuilder.csproj
index 642d110..b8cfe73 100644
--- a/DotnetTryMaterial/TOCBuilder/TOCBuilder.csproj
+++ b/DotnetTryMaterial/TOCBuilder/TOCBuilder.csproj
@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     </ItemGroup>
 
 </Project>