diff --git a/package.json b/package.json
index 81cccc0..b63c40a 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "automutate": "0.5.X",
     "commander": "^2.19.0",
-    "lesshint": "^5.3.0"
+    "lesshint": "^6.3.4"
   },
   "devDependencies": {
     "@types/chai": "^4.1.7",