diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 5f4eb36c390e3..3579d8518c732 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -99,7 +99,7 @@
     "postcss-flexbugs-fixes": "^3.0.0",
     "postcss-loader": "^2.1.3",
     "raw-loader": "^0.5.1",
-    "react-dev-utils": "^4.2.1",
+    "react-dev-utils": "^7.0.2",
     "react-error-overlay": "^3.0.0",
     "react-hot-loader": "^4.1.0",
     "redux": "^3.6.0",
@@ -117,7 +117,7 @@
     "url-loader": "^1.0.1",
     "uuid": "^3.1.0",
     "v8-compile-cache": "^1.1.0",
-    "webpack": "^4.12.0",
+    "webpack": "^5.0.0",
     "webpack-dev-middleware": "^3.0.1",
     "webpack-dev-server": "^3.1.1",
     "webpack-hot-middleware": "^2.21.0",