diff --git a/.travis.yml b/.travis.yml
index 72500ec2..b5aa9f8c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
+sudo: false
 language: node_js
 node_js:
     - "0.11"
     - "0.12"
-
 matrix:
     allow_failures:
         - node_js: "0.11"
diff --git a/package.json b/package.json
index 39b72169..4f21f69f 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
         "bower-registry-client": "^0.2.1",
         "chai": "^1.10.0",
         "commonjs-everywhere": "^0.9.7",
-        "esprima-moz": "*",
+        "esprima-moz": "1.0.0-dev-harmony-moz",
         "gulp": "^3.8.10",
         "gulp-eslint": "^0.2.0",
         "gulp-mocha": "^2.0.0",