diff --git a/CmisSync/TestLibrary/packages.config b/CmisSync/TestLibrary/packages.config
index 430aea5bd..13a0d4999 100644
--- a/CmisSync/TestLibrary/packages.config
+++ b/CmisSync/TestLibrary/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="log4net" version="2.0.8" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="NUnit" version="2.7.0" targetFramework="net472" />
   <package id="NUnitTestAdapter" version="2.1.1" targetFramework="net472" />
 </packages>
\ No newline at end of file