diff --git a/packages/docusaurus/package.json b/packages/docusaurus/package.json
index c67e521b2e0d..1d965245de02 100644
--- a/packages/docusaurus/package.json
+++ b/packages/docusaurus/package.json
@@ -58,7 +58,7 @@
     "chalk": "^3.0.0",
     "chokidar": "^3.3.0",
     "commander": "^4.0.1",
-    "copy-webpack-plugin": "^6.0.3",
+    "copy-webpack-plugin": "^9.0.1",
     "core-js": "^2.6.5",
     "css-loader": "^3.4.2",
     "del": "^5.1.0",
@@ -99,11 +99,11 @@
     "serve-handler": "^6.1.3",
     "shelljs": "^0.8.4",
     "std-env": "^2.2.1",
-    "terser-webpack-plugin": "^4.1.0",
+    "terser-webpack-plugin": "^5.1.4",
     "update-notifier": "^4.1.0",
     "url-loader": "^4.1.0",
     "wait-file": "^1.0.5",
-    "webpack": "^4.44.1",
+    "webpack": "^5.1.1",
     "webpack-bundle-analyzer": "^3.6.1",
     "webpack-dev-server": "^3.11.0",
     "webpack-merge": "^4.2.2",