diff --git a/packages/@vue/cli-service/package.json b/packages/@vue/cli-service/package.json
index e92062552b..efd9dccbc0 100644
--- a/packages/@vue/cli-service/package.json
+++ b/packages/@vue/cli-service/package.json
@@ -33,7 +33,7 @@
     "acorn": "^6.1.1",
     "acorn-walk": "^6.1.1",
     "address": "^1.1.0",
-    "autoprefixer": "^9.5.1",
+    "autoprefixer": "^10.0.0",
     "browserslist": "^4.6.0",
     "cache-loader": "^4.1.0",
     "case-sensitive-paths-webpack-plugin": "^2.2.0",
@@ -42,8 +42,8 @@
     "clipboardy": "^2.0.0",
     "cliui": "^5.0.0",
     "copy-webpack-plugin": "^5.0.3",
-    "css-loader": "^3.1.0",
-    "cssnano": "^4.1.10",
+    "css-loader": "^5.0.0",
+    "cssnano": "^5.0.0",
     "current-script-polyfill": "^1.0.0",
     "debug": "^4.1.1",
     "default-gateway": "^5.0.2",
@@ -62,7 +62,7 @@
     "minimist": "^1.2.0",
     "ora": "^3.4.0",
     "portfinder": "^1.0.20",
-    "postcss-loader": "^3.0.0",
+    "postcss-loader": "^4.0.0",
     "read-pkg": "^5.1.1",
     "semver": "^6.1.0",
     "slash": "^3.0.0",