]
   },
   output: {
-    libraryTarget: 'umd',
+    // ---
+    // FIXME: to resolve before the next release
+    // Temporary disable UMD bundling, waiting for a way to import plugins are externals
+    // See https://github.com/zurb/foundation-sites/pull/10903
+    // ---
+    // libraryTarget: 'umd',
   }
 }
 
 gulp.task('javascript:plugins', ['javascript:plugin-core'], function () {
   return gulp.src(['js/entries/plugins/*.js', '!js/entries/plugins/foundation.core.js'])
     .pipe(named())
-    .pipe(webpackStream(Object.assign({ externals: pluginsAsExternals }, webpackConfig), webpack2))
+    .pipe(webpackStream(Object.assign({}, webpackConfig, { externals: pluginsAsExternals }), webpack2))
     .pipe(gulp.dest('_build/assets/js/plugins'));
 });