diff --git a/stuart-client-csharp/stuart-client-csharp.csproj b/stuart-client-csharp/stuart-client-csharp.csproj
index dd3a9f1..9984c54 100644
--- a/stuart-client-csharp/stuart-client-csharp.csproj
+++ b/stuart-client-csharp/stuart-client-csharp.csproj
@@ -18,7 +18,7 @@ Small cosmetic changes.</PackageReleaseNotes>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="Wdc.System.Net.Http.Formatting.NetStandard" Version="1.0.7" />
   </ItemGroup>