diff --git a/packages/react-devtools-extensions/package.json b/packages/react-devtools-extensions/package.json
index bd66635e2d577..388df613084f3 100644
--- a/packages/react-devtools-extensions/package.json
+++ b/packages/react-devtools-extensions/package.json
@@ -33,7 +33,7 @@
     "chrome-launch": "^1.1.4",
     "crx": "^5.0.0",
     "css-loader": "^1.0.1",
-    "firefox-profile": "^1.0.2",
+    "firefox-profile": "^4.1.0",
     "node-libs-browser": "0.5.3",
     "nullthrows": "^1.0.0",
     "open": "^7.0.2",
@@ -41,7 +41,7 @@
     "raw-loader": "^3.1.0",
     "style-loader": "^0.23.1",
     "web-ext": "^5.0.0",
-    "webpack": "^4.43.0",
+    "webpack": "^5.0.0",
     "webpack-cli": "^3.3.11",
     "webpack-dev-server": "^3.10.3"
   },