diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 445d726..e6a17eb 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -5,27 +5,26 @@ name: Node.js CI
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 21.x]
+        node-version: [20.x, 21.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v3
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'npm'
-    - run: npm ci
-    - run: npm run build --if-present
-    - run: npm test
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm test
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 725840a..c313cf4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,8 +9,8 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: '20.x'
-          registry-url: 'https://registry.npmjs.org'
+          node-version: "20.x"
+          registry-url: "https://registry.npmjs.org"
       - run: npm ci
       - run: npm publish
         env:
diff --git a/package.json b/package.json
index f328320..c89ca4a 100755
--- a/package.json
+++ b/package.json
@@ -33,6 +33,9 @@
   "publishConfig": {
     "access": "public"
   },
+  "engines": {
+    "node": ">=20"
+  },
   "devDependencies": {
     "@babel/plugin-transform-runtime": "^7.23.6",
     "@babel/preset-env": "^7.23.6",