diff --git a/Mastercard.Developer.OAuth1Signer.RestSharp/packages.config b/Mastercard.Developer.OAuth1Signer.RestSharp/packages.config
index f3e0d32..41cad5d 100644
--- a/Mastercard.Developer.OAuth1Signer.RestSharp/packages.config
+++ b/Mastercard.Developer.OAuth1Signer.RestSharp/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="JsonSubTypes" version="1.2.0" targetFramework="net45" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net45" developmentDependency="true" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" developmentDependency="true" />
   <package id="RestSharpSigned" version="105.1.0" targetFramework="net45" developmentDependency="true" />
 </packages>
\ No newline at end of file