diff --git a/.changeset/sweet-comics-sleep.md b/.changeset/sweet-comics-sleep.md
new file mode 100644
index 0000000..706b229
--- /dev/null
+++ b/.changeset/sweet-comics-sleep.md
@@ -0,0 +1,5 @@
+---
+'offline-detector': patch
+---
+
+updated the node version to node 18
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2bf6ab5..b3d51ac 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -13,7 +13,7 @@ Thank you for your interest in contributing to Offline Detector! This document p
 
 ### Prerequisites
 
-- Node.js 20+
+- Node.js 18+
 - npm 9+
 
 ### Available Scripts
diff --git a/package-lock.json b/package-lock.json
index 8aab8fd..461978f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
         "typescript": "^5.9.2"
       },
       "engines": {
-        "node": ">=20.0.0"
+        "node": ">=18.0.0"
       }
     },
     "node_modules/@asamuzakjp/css-color": {
@@ -14924,7 +14924,7 @@
     },
     "packages/core": {
       "name": "offline-detector",
-      "version": "1.0.1",
+      "version": "1.1.0",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.8.1"
@@ -14937,7 +14937,7 @@
         "ts-jest": "^29.4.4"
       },
       "engines": {
-        "node": ">=20.0.0"
+        "node": ">=18.0.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 9cbde56..8ea4a67 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   },
   "license": "MIT",
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=18.0.0"
   },
   "simple-git-hooks": {
     "pre-commit": "npx lint-staged"
diff --git a/packages/core/package.json b/packages/core/package.json
index 339a143..579f40c 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -71,7 +71,7 @@
     "ts-jest": "^29.4.4"
   },
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=18.0.0"
   },
   "dependencies": {
     "tslib": "^2.8.1"