diff --git a/webpack.config.js b/webpack.config.js
index b134cd09014339f4a8558dc5db42467b1693ddc7..283d65706b5581768180d92d16cdd70c4ed847d9 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -219,6 +219,12 @@ module.exports = [
                 new CopyWebpackPlugin([{
                     from: 'extension-worker.{js,js.map}',
                     context: 'node_modules/scratch-vm/dist/web'
+                }]),
+                // Include library JSON files for scratch-desktop to use for downloading
+                new CopyWebpackPlugin([{
+                    from: 'src/lib/libraries/*.json',
+                    to: 'libraries',
+                    flatten: true
                 }])
             ])
         })) : []