diff --git a/package.json b/package.json
index 246b9b3f..ca55a8e9 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,8 @@
     "numeric": "1.2.6",
     "jwerty": "0.3.2",
     "mustache-loader": "0.3.3",
-    "jquery": "2.1.0"
+    "jquery": "2.1.0",
+    "less": "2.7.1",
+    "libtess": "1.2.2"
   }
 }