diff --git a/package.json b/package.json
index 8368be49c127..57a7491163b5 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@primer/css": "^15.1.0",
     "@primer/octicons": "^11.0.0",
     "algoliasearch": "^3.35.1",
-    "babel-loader": "^8.1.0",
+    "babel-loader": "^8.2.4",
     "browser-date-formatter": "^3.0.3",
     "change-case": "^3.1.0",
     "cheerio": "^1.0.0-rc.3",
@@ -52,7 +52,7 @@
     "lil-env-thing": "^1.0.0",
     "liquid": "^5.0.0",
     "lodash": "^4.17.19",
-    "mini-css-extract-plugin": "^0.9.0",
+    "mini-css-extract-plugin": "^1.0.0",
     "mkdirp": "^1.0.3",
     "morgan": "^1.9.1",
     "node-fetch": "^2.6.1",
@@ -60,7 +60,7 @@
     "port-used": "^2.0.8",
     "querystring": "^0.2.0",
     "readline-sync": "^1.4.10",
-    "resolve-url-loader": "^3.1.1",
+    "resolve-url-loader": "^4.0.0",
     "rimraf": "^3.0.0",
     "sass": "^1.26.3",
     "sass-loader": "^9.0.2",
@@ -70,8 +70,8 @@
     "style-loader": "^1.2.1",
     "uuid": "^8.3.0",
     "walk-sync": "^1.1.4",
-    "webpack": "^4.44.0",
-    "webpack-cli": "^3.3.12"
+    "webpack": "^5.0.0",
+    "webpack-cli": "^4.0.0"
   },
   "devDependencies": {
     "ajv": "^6.11.0",