diff --git a/src/Umbraco.Web.UI.Client/package.json b/src/Umbraco.Web.UI.Client/package.json
index d95652bba2..98b1102aa4 100644
--- a/src/Umbraco.Web.UI.Client/package.json
+++ b/src/Umbraco.Web.UI.Client/package.json
@@ -40,6 +40,7 @@
     "karma": "^1.7.0",
     "karma-jasmine": "^1.1.0",
     "karma-phantomjs-launcher": "^1.0.4",
+	"less": "^2.6.1",
     "lodash": "^4.16.3",
     "merge-stream": "^1.0.1",
     "run-sequence": "^2.1.0"