diff --git a/header-auth/net/ReverseWhoisApi/packages.config b/header-auth/net/ReverseWhoisApi/packages.config
index 07048c7..d9261b8 100644
--- a/header-auth/net/ReverseWhoisApi/packages.config
+++ b/header-auth/net/ReverseWhoisApi/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
 </packages>
\ No newline at end of file