Node.JS <17 was EOL.

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     # Setup .npmrc file to publish to GitHub Packages
     - uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: 18
         registry-url: 'https://registry.npmjs.org'
     - run: npm install
     - run: npm run release

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         # https://nodejs.org/en/about/releases/
-        node: [ '14', '16', '18' ]
+        node: [ '18', '20' ]
       fail-fast: false
 
     name: Node.js ${{ matrix.node }}

README.md

@@ -18,7 +18,7 @@ line-bot-sdk-nodejs documentation: https://line.github.io/line-bot-sdk-nodejs/#g
 
 ## Requirements
 
-* **Node.js** 10 or higher
+* **Node.js** 18 or higher
 
 ## Installation
 

docs/getting-started/requirements.md

@@ -1,7 +1,7 @@
 # Requirements
 
-* **Node.js** >= 4, preferably >=6
+* **Node.js** >= 18.
   * It uses ES2015.
-* [**npm**](https://www.npmjs.com/), preferably >=5
+* [**npm**](https://www.npmjs.com/), preferably >=10
 
 Other dependencies are installed via npm, and do not need to be pre-installed.

package.json

@@ -3,7 +3,7 @@
   "version": "7.6.2",
   "description": "Node.js SDK for LINE Messaging API",
   "engines": {
-    "node": ">=10"
+    "node": ">=18"
   },
   "main": "dist/index.js",
   "types": "dist/index.d.ts",