diff --git a/packages/gatsby-plugin-less/package.json b/packages/gatsby-plugin-less/package.json
index b8d39096791c2..4a45945ec560b 100644
--- a/packages/gatsby-plugin-less/package.json
+++ b/packages/gatsby-plugin-less/package.json
@@ -14,8 +14,8 @@
     "extract-text-webpack-plugin": "^1.0.1",
     "gatsby-1-config-css-modules": "^1.0.10",
     "less": "^2.7.2",
-    "less-loader": "^3.0.0",
-    "webpack": "^1.13.3"
+    "less-loader": "^6.0.0",
+    "webpack": "^5.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",