diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index c364f54df7e4..6a44e670b2b7 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -50,12 +50,12 @@
     "ora": "5.4.1",
     "parse5-html-rewriting-stream": "6.0.1",
     "piscina": "3.1.0",
-    "postcss": "8.3.6",
+    "postcss": "8.4.31",
     "postcss-import": "14.0.2",
     "postcss-loader": "6.1.1",
-    "postcss-preset-env": "6.7.0",
+    "postcss-preset-env": "9.1.4",
     "regenerator-runtime": "0.13.9",
-    "resolve-url-loader": "4.0.0",
+    "resolve-url-loader": "5.0.0",
     "rxjs": "6.6.7",
     "sass": "1.37.5",
     "sass-loader": "12.1.0",