diff --git a/History.md b/History.md
index 79e7722..99541f9 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,9 @@
 
+0.4.3 / 2014-09-24
+==================
+
+ * 升级开发依赖并测试，将 `stylus` 升级至 `0.49.0`（性能略有提升）
+
 0.4.2 / 2014-08-05
 ==================
 
diff --git a/demo/server.js b/demo/server.js
index 37257bc..7b9d275 100644
--- a/demo/server.js
+++ b/demo/server.js
@@ -15,7 +15,11 @@ function compile(str, filePath) {
 }
 
 function prefixer(err, css) {
-    return ap('Android >= 2.3', 'iOS >= 5', 'ExplorerMobile >= 10').process(css).css;
+    return ap(
+        {
+            browsers: ['Android >= 2.3', 'iOS >= 5', 'ExplorerMobile >= 10']
+        }
+    ).process(css).css;
 }
 
 app.set('views', path.join(__dirname, '/views'));
diff --git a/package.json b/package.json
index efbc922..01445e6 100644
--- a/package.json
+++ b/package.json
@@ -1,16 +1,16 @@
 {
     "name": "rider",
-    "version": "0.4.2",
+    "version": "0.4.3",
     "description": "Rider is a CSS library to focus on Mobile Web, build on top of Stylus.",
     "maintainers": [
         { "name": "Firede", "email": "firede@firede.us" }
     ],
     "devDependencies": {
-        "autoprefixer": "~2.2.0",
-        "stylus": "~0.47.3",
-        "express": "~4.7.4",
+        "autoprefixer": "~3.1.0",
+        "stylus": "~0.49.0",
+        "express": "~4.9.4",
         "ejs": "~1.0.0",
-        "mocha": "~1.21.3",
+        "mocha": "~1.21.4",
         "should": "~4.0.4"
     },
     "scripts": {