diff --git a/install/package.json b/install/package.json
index 5e4ef5c755..0cae9ed101 100644
--- a/install/package.json
+++ b/install/package.json
@@ -82,7 +82,7 @@
         "nodemailer": "^4.6.5",
         "passport": "^0.4.0",
         "passport-local": "1.0.0",
-        "postcss": "6.0.22",
+        "postcss": "7.0.0",
         "postcss-clean": "1.1.0",
         "promise-polyfill": "^8.0.0",
         "prompt": "^1.0.0",