diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index dcac53cf49f..6dc7f8334cf 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -21,7 +21,7 @@
     "react-scripts": "./bin/react-scripts.js"
   },
   "dependencies": {
-    "autoprefixer": "7.1.6",
+    "autoprefixer": "9.0.0",
     "babel-core": "6.26.0",
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.3",
@@ -30,7 +30,7 @@
     "babel-runtime": "6.26.0",
     "case-sensitive-paths-webpack-plugin": "2.1.1",
     "chalk": "1.1.3",
-    "css-loader": "0.28.7",
+    "css-loader": "1.0.0",
     "dotenv": "4.0.0",
     "eslint": "4.10.0",
     "eslint-config-react-app": "^2.0.1",