diff --git a/HealthCare.Core/packages.config b/HealthCare.Core/packages.config
index 4536079..69fd83f 100644
--- a/HealthCare.Core/packages.config
+++ b/HealthCare.Core/packages.config
@@ -13,5 +13,5 @@
   <package id="Microsoft.Rest.ClientRuntime" version="2.3.4" targetFramework="net452" />
   <package id="Microsoft.Rest.ClientRuntime.Azure" version="3.3.4" targetFramework="net452" />
   <package id="Microsoft.SharePointOnline.CSOM" version="16.1.6008.1200" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file