diff --git a/package.json b/package.json
index 436c92c..de7366d 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "fs-extra": "5.0.0",
     "loader-utils": "1.1.0",
     "parse5": "3.0.3",
-    "postcss": "6.0.17",
+    "postcss": "6.0.18",
     "postcss-load-config": "1.2.0"
   },
   "devDependencies": {