diff --git a/packages/angular-cli/package.json b/packages/angular-cli/package.json
index af1571836881..12625251b8b9 100644
--- a/packages/angular-cli/package.json
+++ b/packages/angular-cli/package.json
@@ -32,10 +32,10 @@
     "@angular/core": "^2.3.1",
     "@ngtools/webpack": "^1.0.0",
     "async": "^2.1.4",
-    "autoprefixer": "^6.5.3",
+    "autoprefixer": "^10.0.0",
     "chalk": "^1.1.3",
     "common-tags": "^1.3.1",
-    "css-loader": "^0.23.1",
+    "css-loader": "^5.0.0",
     "debug": "^2.1.3",
     "denodeify": "^1.2.1",
     "diff": "^2.2.2",
@@ -70,8 +70,8 @@
     "opn": "4.0.1",
     "ora": "^0.2.0",
     "portfinder": "1.0.9",
-    "postcss-discard-comments": "^2.0.4",
-    "postcss-loader": "^0.9.1",
+    "postcss-discard-comments": "^5.0.0",
+    "postcss-loader": "^4.0.0",
     "quick-temp": "0.1.5",
     "raw-loader": "^0.5.1",
     "readline2": "0.1.1",