diff --git a/package.json b/package.json
index d5a83185..d632c3b4 100644
--- a/package.json
+++ b/package.json
@@ -165,6 +165,7 @@
     "clean-css-loader": "^2.0.0",
     "codegen.macro": "^4.0.0",
     "css-loader": "^3.0.0",
+    "css-minimizer-webpack-plugin": "^5.0.1",
     "css-modules-require-hook": "^4.2.3",
     "domtokenlist-shim": "^1.2.0",
     "emitify": "^4.0.1",
@@ -197,9 +198,10 @@
     "rimraf": "^5.0.1",
     "scroll-into-view-if-needed": "^3.0.4",
     "serve-once": "^2.0.0",
+    "service-worker-webpack": "^1.0.0",
     "serviceworker-webpack-plugin": "^1.0.1",
     "smalltalk": "^4.0.0",
-    "style-loader": "^2.0.0",
+    "style-loader": "^3.3.3",
     "supermenu": "^4.0.1",
     "supertape": "^8.1.0",
     "tar-stream": "^3.0.0",