diff --git a/References/MatterSlice/MSClipperLib/MSClipperLib.csproj b/References/MatterSlice/MSClipperLib/MSClipperLib.csproj
index ee1571e..d0b75e7 100644
--- a/References/MatterSlice/MSClipperLib/MSClipperLib.csproj
+++ b/References/MatterSlice/MSClipperLib/MSClipperLib.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>