diff --git a/package.json b/package.json
index 9bbe43d..2a23fe3 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "event-stream": "^3.3.2",
     "jspm": "^0.16.31",
     "gulp": "^3.9.1",
-    "gulp-autoprefixer": "^3.1.0",
+    "gulp-autoprefixer": "^4.0.0",
     "gulp-babel": "^6.1.2",
     "gulp-cache": "^0.4.3",
     "gulp-changed": "^1.3.0",