diff --git a/IfcScript/packages.config b/IfcScript/packages.config
index d84c111..d38f61a 100644
--- a/IfcScript/packages.config
+++ b/IfcScript/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="GeometryGymIFC" version="0.0.15" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file