diff --git a/src/Vulnerability.Direct.OldStyle/packages.config b/src/Vulnerability.Direct.OldStyle/packages.config
index 3047512..91d2819 100644
--- a/src/Vulnerability.Direct.OldStyle/packages.config
+++ b/src/Vulnerability.Direct.OldStyle/packages.config
@@ -9,7 +9,7 @@
   <package id="Microsoft.Orleans.OrleansCodeGenerator" version="1.2.0" targetFramework="net452" />
   <package id="Microsoft.Orleans.OrleansHost" version="1.2.0" targetFramework="net452" />
   <package id="Microsoft.Orleans.OrleansRuntime" version="1.2.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="System.Collections.Immutable" version="1.1.36" targetFramework="net452" />
   <package id="System.Reflection.Metadata" version="1.0.21" targetFramework="net452" />