diff --git a/package.json b/package.json
index cb44a08705..4e2e011170 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "karma-sourcemap-loader": "^0.3.7",
     "karma-spec-reporter": "0.0.32",
     "karma-webdriver-launcher": "^1.0.8",
-    "less": "^3.9.0 <3.12.0",
+    "less": "^3.13.1",
     "less-plugin-clean-css": "^1.5.1",
     "material-design-lite": "^1.3.0",
     "mux.js": "^5.7.0",