diff --git a/package-lock.json b/package-lock.json
index 7be9adc..b3f9611 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -50,6 +50,9 @@
         "tsc-watch": "^6.0.4",
         "typescript": "^5.3.2",
         "vuepress": "^2.0.0-rc.0"
+      },
+      "engines": {
+        "node": ">=21"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {