diff --git a/package.json b/package.json
index e612e0f..750cc90 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "enzyme-adapter-react-16": "^1.0.2",
     "father": "^2.13.2",
     "jquery": "^3.3.1",
-    "less": "^3.11.1",
+    "less": "^4.0.0",
     "np": "^6.0.0",
     "rc-menu": "^8.0.0-alpha.2",
     "rc-util": "^5.2.0",