diff --git a/themes/butterfly/package.json b/themes/butterfly/package.json
index ad9f537..ef05d72 100644
--- a/themes/butterfly/package.json
+++ b/themes/butterfly/package.json
@@ -26,7 +26,7 @@
     "hexo-renderer-pug": "^3.0.0",
     "hexo-renderer-stylus": "^3.0.1",
     "hexo-util": "^3.3.0",
-    "moment-timezone": "^0.5.48"
+    "moment-timezone": "^0.6.0"
   },
   "homepage": "https://butterfly.js.org/",
   "author": "Jerry <my@crazywong.com>",