diff --git a/package-lock.json b/package-lock.json
index 36cd2bd..8089359 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "diffler",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "diffler",
-      "version": "3.0.0",
+      "version": "4.0.0",
       "license": "MIT",
       "devDependencies": {
         "@biomejs/biome": "^2.4.13",
@@ -16,7 +16,7 @@
         "vitest": "^4.1.5"
       },
       "engines": {
-        "node": ">=24"
+        "node": ">=18"
       }
     },
     "node_modules/@biomejs/biome": {
diff --git a/package.json b/package.json
index 59f27c7..8e1e606 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "diffler",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "A recursive JSON comparison script for humans",
   "type": "module",
   "main": "./dist/index.cjs",