diff --git a/.github/workflows/highlightjs-lines.yml b/.github/workflows/highlightjs-lines.yml
index 147119d..4a28bd1 100644
--- a/.github/workflows/highlightjs-lines.yml
+++ b/.github/workflows/highlightjs-lines.yml
@@ -8,12 +8,11 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [20.x, 22.x, 24.x]
 
     steps:
     - uses: actions/checkout@v4
@@ -23,4 +22,4 @@ jobs:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
     - run: npm install
-    - run: node --test
+    - run: npm test
diff --git a/package.json b/package.json
index 1021c39..e2ab73d 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,9 @@
     "watch:postcss": "npm run postcss -- --watch",
     "build": "npm run sass:compressed && npm run postcss && npm run minify:js && eleventy && npm run prettify:html",
     "start": "npm-run-all sass:compressed postcss --parallel watch:*",
-    "dev": "npm run watch"
+    "dev": "npm run watch",
+    "test:highlightjs-lines": "node ./lib/highlightjs-lines.test.js",
+    "test": "node --test"
   },
   "repository": {
     "type": "git",