diff --git a/src/test/Chaos.Portal.IntegrationTest/packages.config b/src/test/Chaos.Portal.IntegrationTest/packages.config
old mode 100755
new mode 100644
index 298befb..ba1bc2a
--- a/src/test/Chaos.Portal.IntegrationTest/packages.config
+++ b/src/test/Chaos.Portal.IntegrationTest/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CouchbaseNetClient" version="1.3.9" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="6.0.5" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file