diff --git a/package.json b/package.json
index bbd9dad9..14ba667e 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
         "gulp-rename": "^2.0.0",
         "html-loader": "^1.3.2",
         "json-loader": "^0.5.7",
-        "less": "^3.12.2",
+        "less": "^4.1.1",
         "less-loader": "^7.0.2",
         "merge-stream": "^2.0.0",
         "minimist": "^1.2.5",