diff --git a/packages/@vue/cli-service/package.json b/packages/@vue/cli-service/package.json
index 0a47bdb26d..2ee22c8527 100644
--- a/packages/@vue/cli-service/package.json
+++ b/packages/@vue/cli-service/package.json
@@ -59,7 +59,7 @@
     "slash": "^2.0.0",
     "source-map-url": "^0.4.0",
     "string.prototype.padend": "^3.0.0",
-    "thread-loader": "^1.1.5",
+    "thread-loader": "^2.1.1",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "url-loader": "^1.0.1",
     "vue-loader": "^15.2.0",