diff --git a/nh_eobs_mobile/static/dev/less/package.json b/nh_eobs_mobile/static/dev/less/package.json
index 8ddbd88c..7f4cd5a6 100644
--- a/nh_eobs_mobile/static/dev/less/package.json
+++ b/nh_eobs_mobile/static/dev/less/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "gulp": "3.9.0",
     "del": "1.1.1",
-    "less": "2.5.1",
+    "less": "2.7.3",
     "gulp-kss": "0.0.2",
     "gulp-less": "3.0.5",
     "gulp-util": "3.0.4",