diff --git a/package.json b/package.json
index bd94687..a5a4fcd 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "ora": "1.3.0",
     "pdf-image": "1.1.0",
     "postcss": "6.0.16",
-    "postcss-cssnext": "3.0.2",
+    "postcss-cssnext": "3.1.0",
     "puppeteer": "1.0.0",
     "rename": "1.0.4",
     "request": "2.83.0",