diff --git a/scripts/plpmsys/plpmsys.csproj b/scripts/plpmsys/plpmsys.csproj
index ead861e..9970874 100644
--- a/scripts/plpmsys/plpmsys.csproj
+++ b/scripts/plpmsys/plpmsys.csproj
@@ -16,7 +16,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="ZeroFormatter" Version="1.6.4" />
   </ItemGroup>