diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 204f82960ebae..0a6bf4ab5f044 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -107,7 +107,7 @@
     "sift": "^5.1.0",
     "signal-exit": "^3.0.2",
     "slash": "^1.0.0",
-    "socket.io": "^2.0.3",
+    "socket.io": "^3.0.0",
     "string-similarity": "^1.2.0",
     "style-loader": "^0.21.0",
     "terser-webpack-plugin": "^1.0.2",