diff --git a/lib/less/index.js b/lib/less/index.js
index 37fc9023..a5fe7a8e 100644
--- a/lib/less/index.js
+++ b/lib/less/index.js
@@ -5,7 +5,7 @@ var path = require('path'),
     fs = require('fs');
 
 var less = {
-    version: [1, 3, 3],
+    version: [1, 4, 0],
     Parser: require('./parser').Parser,
     importer: require('./parser').importer,
     tree: require('./tree'),
diff --git a/package.json b/package.json
index efc105e7..d330cde1 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "keywords"      : ["css", "parser", "lesscss", "browser"],
   "author"        : "Alexis Sellier <self@cloudhead.net>",
   "contributors"  : [],
-  "version"       : "1.3.3",
+  "version"       : "1.4.0",
   "bin"           : { "lessc": "./bin/lessc" },
   "main"          : "./lib/less/index",
   "directories"   : { "test": "./test" },