diff --git a/README.md b/README.md
index afa6e8a..72d5f71 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ deploy:
           branch: branch_name
     ```
 - **branch**: Git branch to deploy the static site to. Branch name specified in `repo:` takes priority.
-- **message**: Commit message. Defaults to `Site updated: {{ now('YYYY-MM-DD HH:mm:ss') }}`.
+- **message**: Commit message. Defaults to `Site updated: {{ now("yyyy-MM-dd HH:mm:ss") }}`.
 - **name** and **email**: User info for committing the change, overrides global config. This info is independent of git login.
 - **extend_dirs**: Additional directories to publish. e.g `demo`, `examples`
 - **ignore_hidden** (Boolean|Object): whether ignore hidden files to publish. GitHub requires the `.nojekyll` in root.
diff --git a/lib/deployer.js b/lib/deployer.js
index 0d1f3f6..e140930 100644
--- a/lib/deployer.js
+++ b/lib/deployer.js
@@ -4,14 +4,14 @@ const pathFn = require('path');
 const fs = require('hexo-fs');
 const chalk = require('chalk');
 const nunjucks = require('nunjucks');
-const moment = require('moment');
+const { DateTime } = require("luxon");
 const Promise = require('bluebird');
-const spawn = require('hexo-util/lib/spawn');
+const { spawn } = require('hexo-util');
 const parseConfig = require('./parse_config');
 
 const swigHelpers = {
   now: function(format) {
-    return moment().format(format);
+    return DateTime.now().toFormat(format);
   }
 };
 
@@ -149,6 +149,6 @@ module.exports = function(args) {
 };
 
 function commitMessage(args) {
-  const message = args.m || args.msg || args.message || 'Site updated: {{ now(\'YYYY-MM-DD HH:mm:ss\') }}';
+  const message = args.m || args.msg || args.message || 'Site updated: {{ now("yyyy-MM-dd HH:mm:ss") }}';
   return nunjucks.renderString(message, swigHelpers);
 }
diff --git a/package.json b/package.json
index 28d1570..3b5a924 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "chalk": "^4.0.0",
     "hexo-fs": "^3.0.1",
     "hexo-util": "^2.1.0",
-    "moment": "^2.18.0",
+    "luxon": "^1.27.0",
     "nunjucks": "^3.2.1"
   },
   "engines": {