diff --git a/Direct-Messaging-SDK-3.5 Unit Tests/packages.config b/Direct-Messaging-SDK-3.5 Unit Tests/packages.config
index a5bf8f9..d816040 100644
--- a/Direct-Messaging-SDK-3.5 Unit Tests/packages.config	
+++ b/Direct-Messaging-SDK-3.5 Unit Tests/packages.config	
@@ -2,6 +2,6 @@
 <packages>
   <package id="BouncyCastle" version="1.8.1" targetFramework="net35" />
   <package id="MimeKit" version="1.14.0" targetFramework="net35" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net35" />
   <package id="NUnit" version="3.10.1" targetFramework="net35" />
 </packages>
\ No newline at end of file