diff --git a/package.json b/package.json
index 7263113..dc68a0c 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "postcss": "^5.2.16",
     "postcss-autoreset": "^1.2.1",
     "postcss-cli": "^4.1.1",
-    "postcss-cssnext": "^2.10.0",
+    "postcss-cssnext": "^3.0.2",
     "postcss-extend": "^1.0.5",
     "postcss-import": "^9.1.0",
     "postcss-initial": "^1.5.3",
@@ -64,7 +64,7 @@
     "postcss": "^5.2.16",
     "postcss-autoreset": "^1.2.1",
     "postcss-cli": "^4.1.1",
-    "postcss-cssnext": "^2.10.0",
+    "postcss-cssnext": "^3.0.2",
     "postcss-extend": "^1.0.5",
     "postcss-import": "^9.1.0",
     "postcss-initial": "^1.5.3",