diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af090a9be..56faf5ebe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,25 +5,55 @@ on:
   pull_request:
     branches: [master]
 jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Build on Node.js 22
+    steps:
+      - name: Setup Node.js 22
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Install dependencies
+        run: npm install
+      - name: Build
+        run: npm run build
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-artifacts
+          path: |
+            index.js
+            lib/
+            es/
+            validator.js
+            validator.min.js
+          retention-days: 1
   test:
     runs-on: ubuntu-latest
+    needs: build
     strategy:
       matrix:
-        node-version: [22, 20, 18, 16, 14, 12, 10, 8, 6]
+        node-version: [22, 20, 18, 16, 14, 12, 10, 8]
     name: Run tests on Node.js ${{ matrix.node-version }}
     steps:
-    - name: Setup Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
-      with:
-        node-version: ${{ matrix.node-version }}
-    - name: Checkout repository
-      uses: actions/checkout@v4
-    - name: Install dependencies
-      run: npm install --legacy-peer-deps
-    - name: Run tests
-      run: npm test
-    - if: matrix.node-version == 22
-      name: Send coverage info to Codecov
-      uses: codecov/codecov-action@v5
-      with:
-        token: ${{ secrets.CODECOV_TOKEN }}
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Download build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: build-artifacts
+      - name: Install dependencies
+        run: npm install
+      - name: Run tests
+        run: npm run test:ci
+      - if: matrix.node-version == 22
+        name: Send coverage info to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/build-browser.js b/build-browser.js
index c863bd399..ba901da75 100644
--- a/build-browser.js
+++ b/build-browser.js
@@ -6,7 +6,7 @@ import babelPresetEnv from "@babel/preset-env";
 import pkg from "./package.json";
 
 rollup({
-  entry: "src/index.js",
+  input: "src/index.js",
   plugins: [
     babel({
       presets: [[babelPresetEnv, { modules: false }]],
@@ -16,9 +16,9 @@ rollup({
 })
   .then((bundle) =>
     bundle.write({
-      dest: "validator.js",
+      file: "validator.js",
       format: "umd",
-      moduleName: pkg.name,
+      name: pkg.name,
       banner: `/*!\n${String(fs.readFileSync("./LICENSE"))
         .trim()
         .split("\n")
diff --git a/package.json b/package.json
index 7e84ef71d..bd88d553c 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "npm-run-all": "^4.1.5",
     "nyc": "^14.1.0",
     "rimraf": "^3.0.0",
-    "rollup": "^0.47.0",
+    "rollup": "^2.0.0",
     "rollup-plugin-babel": "^4.0.1",
     "timezone-mock": "^1.3.6",
     "uglify-js": "^3.0.19"
@@ -67,7 +67,8 @@
     "build:node": "babel src -d .",
     "build": "run-p build:*",
     "pretest": "npm run build && npm run lint",
-    "test": "nyc --reporter=cobertura --reporter=text-summary mocha --require @babel/register --reporter dot --recursive"
+    "test": "npm run test:ci",
+    "test:ci": "nyc --reporter=cobertura --reporter=text-summary mocha --require @babel/register --reporter dot --recursive"
   },
   "engines": {
     "node": ">= 0.10"