diff --git a/package.json b/package.json
index d74442f0..97c7aadf 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "father": "^2.22.0",
     "father-build": "^1.18.6",
     "gh-pages": "^3.1.0",
-    "less": "^3.10.3",
+    "less": "^4.1.3",
     "np": "^6.0.0",
     "react": "^16.9.0",
     "react-dom": "^16.9.0",