diff --git a/PaDSolver.csproj b/PaDSolver.csproj
index f780946..2205ba7 100644
--- a/PaDSolver.csproj
+++ b/PaDSolver.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.App"/>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3"/>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1"/>
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.7"/>
     <PackageReference Include="ServiceStack" Version="5.9.0"/>
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0"/>