diff --git a/nanoFramework.System.Threading.nuspec b/nanoFramework.System.Threading.nuspec
index 5dd969d..a6e8d4c 100644
--- a/nanoFramework.System.Threading.nuspec
+++ b/nanoFramework.System.Threading.nuspec
@@ -18,18 +18,16 @@
     <description>This package includes the nanoFramework.System.Threading assembly for .NET nanoFramework C# projects.</description>
     <tags>nanoFramework C# csharp netmf netnf </tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" />
+      <group targetFramework=".NETnanoFramework1.0">
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.35" />
+      </group>
     </dependencies>
   </metadata>
   <files>
-    <file src="nanoFramework.System.Threading\bin\Release\System.Threading.dll" target="lib\System.Threading.dll" />
-    <file src="nanoFramework.System.Threading\bin\Release\System.Threading.pdb" target="lib\System.Threading.pdb" />
-    <file src="nanoFramework.System.Threading\bin\Release\System.Threading.pdbx" target="lib\System.Threading.pdbx" />
-    <file src="nanoFramework.System.Threading\bin\Release\System.Threading.pe" target="lib\System.Threading.pe" />
-    <file src="nanoFramework.System.Threading\bin\Release\System.Threading.xml" target="lib\System.Threading.xml" />
-    <file src="assets\readme.txt" target="" />
     <file src="README.md" target="docs\" />
-    <file src="assets\nf-logo.png" target="images" />
+    <file src="assets\readme.txt" target="" />
     <file src="LICENSE.md" target="" />
+    <file src="assets\nf-logo.png" target="images" />
+    <file src="nanoFramework.System.Threading\bin\Release\System.Threading.*" target="lib\netnano1.0" />
   </files>
 </package>
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