diff --git a/package.json b/package.json
index 4123717..33b4a29 100644
--- a/package.json
+++ b/package.json
@@ -73,6 +73,7 @@
     "expect.js": "0.3.1",
     "jade": "1.11.0",
     "jshint": "^2.9.1-rc1",
+    "less": "2.5.3",
     "memdown": "1.1.0",
     "mocha": "1.18.2",
     "nci-yaml-reader": "0.1.0",