diff --git a/package.json b/package.json
index ead29a5..c5ec52b 100644
--- a/package.json
+++ b/package.json
@@ -14,12 +14,12 @@
   "license": "ISC",
   "devDependencies": {
     "autoprefixer": "^5.2.0",
-    "onchange": "^1.1.0",
-    "postcss-cli": "^1.3.1"
+    "onchange": "^4.0.0",
+    "postcss-cli": "^5.0.0"
   },
   "dependencies": {
     "autoprefixer": "^5.2.0",
-    "onchange": "^1.1.0",
-    "postcss-cli": "^1.4.0"
+    "onchange": "^4.0.0",
+    "postcss-cli": "^5.0.0"
   }
 }