diff --git a/PackagesMerge.Test/packages.config b/PackagesMerge.Test/packages.config
index cb654bc..284b4c7 100644
--- a/PackagesMerge.Test/packages.config
+++ b/PackagesMerge.Test/packages.config
@@ -3,7 +3,7 @@
   <package id="LibGit2Sharp" version="0.21.0.176" targetFramework="net45" />
   <package id="LibGit2Sharp.NativeBinaries" version="1.0.55" targetFramework="net45" />
   <package id="Mono.Cecil" version="0.9.6.1" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="NuGet.Common" version="4.9.4" targetFramework="net472" />
   <package id="NuGet.Configuration" version="4.9.4" targetFramework="net472" />
   <package id="NuGet.Frameworks" version="4.9.4" targetFramework="net472" />