diff --git a/package-lock.json b/package-lock.json
index aef0280..9dc099f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "vitest": "^0.32.2"
       },
       "engines": {
-        "node": "^18.18.2 || ^20.5.1"
+        "node": "^18.18.2 || ^20.5.1 || ^21.1.0"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
diff --git a/package.json b/package.json
index 5fa2983..56cd1b7 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "coverage": "vitest run --coverage"
   },
   "engines": {
-    "node": "^18.18.2 || ^20.5.1"
+    "node": "^18.18.2 || ^20.5.1 || ^21.1.0"
   },
   "devDependencies": {
     "@playwright/test": "^1.39.0",