diff --git a/RosBridgeClient/Package4UnityEditor/packages.config b/RosBridgeClient/Package4UnityEditor/packages.config
index 7ea9b0c..38f3941 100644
--- a/RosBridgeClient/Package4UnityEditor/packages.config
+++ b/RosBridgeClient/Package4UnityEditor/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net35" />
   <package id="WebSocketSharp" version="1.0.3-rc11" targetFramework="net35" />
 </packages>
\ No newline at end of file