diff --git a/package.json b/package.json
index 892b2dfb..50db9e55 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "html-webpack-plugin": "^2.29.0",
     "istanbul-instrumenter-loader": "^2.0.0",
     "karma-source-map-support": "^1.2.0",
-    "less": "^2.7.2",
+    "less": "^3.12.0",
     "less-loader": "^4.0.5",
     "license-webpack-plugin": "^1.0.0",
     "loader-utils": "^1.0.2",