diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index b845d0462..eca95d14e 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -15,7 +15,7 @@
     "react-scripts": "./bin/react-scripts.js"
   },
   "dependencies": {
-    "autoprefixer": "7.1.6",
+    "autoprefixer": "10.0.0",
     "babel-core": "6.26.0",
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.3",
@@ -24,7 +24,7 @@
     "babel-runtime": "6.26.0",
     "case-sensitive-paths-webpack-plugin": "2.1.1",
     "chalk": "1.1.3",
-    "css-loader": "0.28.7",
+    "css-loader": "5.0.0",
     "dotenv": "4.0.0",
     "dotenv-expand": "4.2.0",
     "eslint": "4.18.2",
@@ -43,9 +43,9 @@
     "jest": "23.0.0",
     "node-sass": "^4.7.2",
     "object-assign": "4.1.1",
-    "postcss-each": "^0.10.0",
-    "postcss-flexbugs-fixes": "3.2.0",
-    "postcss-loader": "2.0.8",
+    "postcss-each": "^1.1.0",
+    "postcss-flexbugs-fixes": "5.0.0",
+    "postcss-loader": "4.0.0",
     "precss": "^3.1.0",
     "promise": "8.0.1",
     "raf": "3.4.0",