diff --git a/QBitNinja/QBitNinja.Client.Tests/packages.config b/QBitNinja/QBitNinja.Client.Tests/packages.config
index 808ecba3..843c3996 100644
--- a/QBitNinja/QBitNinja.Client.Tests/packages.config
+++ b/QBitNinja/QBitNinja.Client.Tests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="NBitcoin" version="4.0.0.42" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="System.IO" version="4.3.0" targetFramework="net47" />
   <package id="System.Net.Http" version="4.3.3" targetFramework="net47" />
   <package id="System.Net.Requests" version="4.3.0" targetFramework="net47" />