diff --git a/doc/package.json b/doc/package.json
index 92a622bfd..905c83767 100644
--- a/doc/package.json
+++ b/doc/package.json
@@ -11,6 +11,6 @@
   "license": "BSD",
   "dependencies": {
     "cssnano-cli": "^1.0.4",
-    "html-minifier": "^3.0.3"
+    "html-minifier": "^4.0.0"
   }
 }