diff --git a/.travis.yml b/.travis.yml
index 2425423..4dc591e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,10 +6,11 @@ node_js:
   - "4"
   - "0.12"
   - "0.10"
+  - "0.9"
   - "0.8"
 before_install:
   - "npm install -g npm@next"
-  - "npm install -g mocha"
+  - "npm install -g mocha@2.x voc"
   - "npm install blanket"
   - "npm install xlsjs"
   - "npm install coveralls mocha-lcov-reporter"