diff --git a/package.json b/package.json
index 3c474a9b52ed0..789a5d2a95235 100644
--- a/package.json
+++ b/package.json
@@ -61,8 +61,8 @@
     "object-assign": "^4.1.0",
     "opn": "^4.0.2",
     "parse-filepath": "^1.0.1",
-    "postcss-browser-reporter": "^0.5.0",
-    "postcss-cssnext": "^2.7.0",
+    "postcss-browser-reporter": "^0.6.0",
+    "postcss-cssnext": "^3.0.0",
     "postcss-import": "^8.1.2",
     "postcss-loader": "^0.13.0",
     "postcss-reporter": "^1.4.1",