diff --git a/packages/gatsby-plugin-sass/package.json b/packages/gatsby-plugin-sass/package.json
index 4a0911011988b..19b4e1f7233c3 100644
--- a/packages/gatsby-plugin-sass/package.json
+++ b/packages/gatsby-plugin-sass/package.json
@@ -11,8 +11,8 @@
     "gatsby-1-config-css-modules": "^1.0.11",
     "gatsby-1-config-extract-plugin": "^1.0.3",
     "node-sass": "^4.5.2",
-    "sass-loader": "^4.1.1",
-    "webpack": "^1.13.3"
+    "sass-loader": "^9.0.0",
+    "webpack": "^5.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",