Update gulp-zip

package.json

@@ -39,7 +39,7 @@
     "gulp-rename": "^1.2.2",
     "gulp-replace": "^0.5.4",
     "gulp-rsync": "0.0.7",
-    "gulp-zip": "^3.2.0",
+    "gulp-zip": "^4.0.0",
     "merge-stream": "^1.0.0",
     "path-exists-cli": "^1.0.0",
     "run-sequence": "^1.2.2",