diff --git a/package.json b/package.json
index c264abea36..a4da75d43f 100644
--- a/package.json
+++ b/package.json
@@ -4,10 +4,10 @@
   "version": "1.0.0",
   "description": "The ECMAScript specification",
   "scripts": {
-    "build-es2017": "git remote remove origin && git remote add origin \"git@github.com:$TRAVIS_REPO_SLUG.git\" && git fetch --quiet origin && git checkout --quiet es2017 && mkdir \"out/2017\" && cp -R img \"out/2017\" && ecmarkup --verbose spec.html out/2017/index.html && git checkout --quiet test-travis",
+    "build-es2018": "git remote remove origin && git remote add origin \"git@github.com:$TRAVIS_REPO_SLUG.git\" && git fetch --quiet origin && git checkout --quiet es2018 && mkdir \"out/2018\" && cp -R img \"out/2018\" && ecmarkup --verbose spec.html out/2018/index.html && git checkout --quiet test-travis",
     "build-master": "mkdir out && cp -R img out && ecmarkup --verbose spec.html out/index.html --css out/ecmarkup.css --js out/ecmarkup.js",
     "build": "npm run clean && npm run build-master",
-    "build-travis": "npm run clean && npm run build-master && npm run build-es2017",
+    "build-travis": "npm run clean && npm run build-master && npm run build-es2018",
     "clean": "rm -rf out",
     "test": "exit 0",
     "watch": "npm run clean && mkdir out && cp -R img out && ecmarkup --watch --verbose spec.html out/index.html --css out/ecmarkup.css --js out/ecmarkup.js"