diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 5a739fcef98e5..631ea8461785b 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -13,7 +13,7 @@
     "async": "^2.1.2",
     "babel-code-frame": "^6.22.0",
     "babel-core": "^6.24.1",
-    "babel-loader": "^6.0.0",
+    "babel-loader": "^8.2.4",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-transform-object-assign": "^6.8.0",
     "babel-polyfill": "^6.23.0",
@@ -33,7 +33,7 @@
     "convert-hrtime": "^2.0.0",
     "copyfiles": "^1.2.0",
     "core-js": "^2.5.0",
-    "css-loader": "^0.26.1",
+    "css-loader": "^4.0.0",
     "debug": "^2.6.0",
     "del": "^3.0.0",
     "detect-port": "^1.2.1",
@@ -43,7 +43,7 @@
     "express": "^4.14.0",
     "express-graphql": "^0.6.6",
     "fast-levenshtein": "~2.0.4",
-    "file-loader": "^0.9.0",
+    "file-loader": "^6.0.0",
     "flat": "^2.0.1",
     "friendly-errors-webpack-plugin": "^1.6.1",
     "front-matter": "^2.1.0",
@@ -65,7 +65,7 @@
     "joi": "12.x.x",
     "json-loader": "^0.5.2",
     "json-stringify-safe": "^5.0.1",
-    "json5": "^0.5.0",
+    "json5": "^2.2.2",
     "lodash": "^4.17.4",
     "lodash-id": "^0.14.0",
     "lowdb": "^0.16.2",
@@ -84,7 +84,7 @@
     "postcss-browser-reporter": "^0.5.0",
     "postcss-cssnext": "^2.8.0",
     "postcss-import": "^8.2.0",
-    "postcss-loader": "^0.13.0",
+    "postcss-loader": "^4.0.0",
     "postcss-reporter": "^1.4.1",
     "raw-loader": "^0.5.1",
     "react": "^15.6.0",
@@ -105,12 +105,12 @@
     "socket.io": "^2.0.3",
     "static-site-generator-webpack-plugin": "^3.4.1",
     "string-similarity": "^1.2.0",
-    "style-loader": "^0.13.0",
+    "style-loader": "^1.1.4",
     "type-of": "^2.0.1",
-    "url-loader": "^0.5.7",
+    "url-loader": "^4.0.0",
     "uuid": "^3.1.0",
     "v8-compile-cache": "^1.1.0",
-    "webpack": "^1.13.3",
+    "webpack": "^5.0.0",
     "webpack-configurator": "^0.3.0",
     "webpack-dev-middleware": "^1.8.4",
     "webpack-dev-server": "^1.16.1",