diff --git a/build/NuSpecs/UmbracoCms.Core.nuspec b/build/NuSpecs/UmbracoCms.Core.nuspec
index 6425c306ea..1b0e082aa8 100644
--- a/build/NuSpecs/UmbracoCms.Core.nuspec
+++ b/build/NuSpecs/UmbracoCms.Core.nuspec
@@ -39,6 +39,7 @@
 	    <!-- Markdown can not be updated due to: https://github.com/hey-red/markdownsharp/issues/71#issuecomment-233585487 -->
       <dependency id="Markdown" version="[1.14.7, 2.0.0)" />
       <dependency id="System.Threading.Tasks.Dataflow" version="[4.7.0, 5.0.0)" />
+      <dependency id="System.ValueTuple" version="[4.4.0, 5.0.0)" />
     </dependencies>
   </metadata>
   <files>