diff --git a/package.json b/package.json
index 67fb8dd..416dd3b 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "d3": "^3.5.7",
     "eventemitter3": "^1.1.1",
     "express": "^4.13.3",
-    "less": "^2.5.3",
+    "less": "^2.7.3",
     "less-loader": "^2.0.0",
     "lodash": "^4.17.10",
     "normalize.css": "^3.0.3",