diff --git a/samples/WPF Graph Engine Client/IKW.Trinity.Client.TestServer/Trinity.Client.TestProtocols/packages.config b/samples/WPF Graph Engine Client/IKW.Trinity.Client.TestServer/Trinity.Client.TestProtocols/packages.config
index 8fadeb16..b2cfa027 100644
--- a/samples/WPF Graph Engine Client/IKW.Trinity.Client.TestServer/Trinity.Client.TestProtocols/packages.config	
+++ b/samples/WPF Graph Engine Client/IKW.Trinity.Client.TestServer/Trinity.Client.TestProtocols/packages.config	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="GraphEngine.Core" version="1.0.9083" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
 </packages>
\ No newline at end of file