diff --git a/build/NuSpecs/UmbracoCms.Core.nuspec b/build/NuSpecs/UmbracoCms.Core.nuspec
index 028817ea61..295d41b097 100644
--- a/build/NuSpecs/UmbracoCms.Core.nuspec
+++ b/build/NuSpecs/UmbracoCms.Core.nuspec
@@ -27,6 +27,7 @@
             <dependency id="ClientDependency" version="[1.7.0, 2.0.0)" />
             <dependency id="ClientDependency-Mvc" version="[1.7.0, 2.0.0)" />
             <dependency id="AutoMapper" version="[3.0.0, 4.0.0)" />
+            <dependency id="Newtonsoft.Json" version="[5.0.0, 6.0.0)" />
         </dependencies>
     </metadata>
     <files>