diff --git a/bin/vuepress.js b/bin/vuepress.js
index c639e858a4..e16c7796f7 100755
--- a/bin/vuepress.js
+++ b/bin/vuepress.js
@@ -26,8 +26,9 @@ program
   .command('dev [targetDir]')
   .description('start development server')
   .option('-p, --port <port>', 'use specified port (default: 8080)')
-  .action((dir = '.', { port }) => {
-    wrapCommand(dev)(path.resolve(dir), { port })
+  .option('-h, --host <host>', 'use specified host (default: 0.0.0.0)')
+  .action((dir = '.', { host, port }) => {
+    wrapCommand(dev)(path.resolve(dir), { host, port })
   })
 
 program
diff --git a/docs/config/README.md b/docs/config/README.md
index 8874407b8e..c29db6917e 100644
--- a/docs/config/README.md
+++ b/docs/config/README.md
@@ -49,6 +49,13 @@ module.exports = {
 }
 ```
 
+### host
+
+- Type: `string`
+- Default: `'0.0.0.0'`
+
+Specify the host to use for the dev server.
+
 ### port
 
 - Type: `number`
diff --git a/lib/dev.js b/lib/dev.js
index 127aac61db..1b6d1b9297 100644
--- a/lib/dev.js
+++ b/lib/dev.js
@@ -97,7 +97,7 @@ module.exports = async function dev (sourceDir, cliOptions = {}) {
     // in cwd it would break the server
     content: [nonExistentDir],
     compiler,
-    host: process.env.DEBUG ? '0.0.0.0' : 'localhost',
+    host: cliOptions.host || options.siteConfig.host || '0.0.0.0',
     dev: { logLevel: 'warn' },
     hot: { logLevel: 'error' },
     logLevel: 'error',