diff --git a/Build/Newtonsoft.Json.nuspec b/Build/Newtonsoft.Json.nuspec
index f4b7ca87..62c3147c 100644
--- a/Build/Newtonsoft.Json.nuspec
+++ b/Build/Newtonsoft.Json.nuspec
@@ -13,6 +13,7 @@
     <tags>json</tags>
     <dependencies>      
       <group targetFramework="net2" />
+      <group targetFramework="sl5" />
       <group targetFramework="portable-net40+sl5+wp80+win8+wpa81" />
       <group targetFramework="dotnet">
         <dependency id="Microsoft.CSharp" version="4.0.0" />