diff --git a/Source/Tools/String/String Tests/packages.config b/Source/Tools/String/String Tests/packages.config
index aadb09e..04cd275 100644
--- a/Source/Tools/String/String Tests/packages.config	
+++ b/Source/Tools/String/String Tests/packages.config	
@@ -3,7 +3,7 @@
   <package id="Microsoft.CrmSdk.CoreAssemblies" version="8.2.0.2" targetFramework="net452" />
   <package id="Microsoft.CrmSdk.Workflow" version="8.2.0.2" targetFramework="net452" />
   <package id="Microsoft.IdentityModel" version="6.1.7600.16394" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net452" />
   <package id="PZone.SDK.Core" version="1.1.0.0" targetFramework="net452" />
   <package id="PZone.SDK.XRM" version="8.0.3.0" targetFramework="net452" />
   <package id="PZone.SDK.XRM.Plugins" version="8.0.1.0" targetFramework="net452" />