diff --git a/01. Local/Fundamentals/CreatingActors/HowTo_01_CreateActorSystem/packages.config b/01. Local/Fundamentals/CreatingActors/HowTo_01_CreateActorSystem/packages.config
index ff592e6..e91dba4 100644
--- a/01. Local/Fundamentals/CreatingActors/HowTo_01_CreateActorSystem/packages.config	
+++ b/01. Local/Fundamentals/CreatingActors/HowTo_01_CreateActorSystem/packages.config	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Akka" version="1.3.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="System.Collections.Immutable" version="1.3.1" targetFramework="net45" />
 </packages>
\ No newline at end of file