diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 5f4eb36c390e3..89434e0a81ed2 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -112,7 +112,7 @@
     "socket.io": "^2.0.3",
     "string-similarity": "^1.2.0",
     "style-loader": "^0.21.0",
-    "terser-webpack-plugin": "^1.0.2",
+    "terser-webpack-plugin": "^2.3.6",
     "type-of": "^2.0.1",
     "url-loader": "^1.0.1",
     "uuid": "^3.1.0",