diff --git a/.github/get-ux-packages.php b/.github/get-ux-packages.php
new file mode 100644
index 00000000000..e1513067c13
--- /dev/null
+++ b/.github/get-ux-packages.php
@@ -0,0 +1,31 @@
+<?php
+
+require __DIR__.'/../vendor/autoload.php';
+
+use Symfony\Component\Finder\Finder;
+
+$finder = (new Finder())
+    ->in([__DIR__.'/../src/*/', __DIR__.'/../src/*/src/Bridge/*/'])
+    ->depth(0)
+    ->name('composer.json')
+;
+
+// 1. Find all UX packages
+$uxPackages = [];
+foreach ($finder as $composerFile) {
+    $json = file_get_contents($composerFile->getPathname());
+    if (null === $packageData = json_decode($json, true)) {
+        passthru(sprintf('composer validate %s', $composerFile->getPathname()));
+        exit(1);
+    }
+
+    if (str_starts_with($composerFile->getPathname(), __DIR__ . '/../src/')) {
+        $packageName = $packageData['name'];
+
+        $uxPackages[] = [
+            'path' => realpath($composerFile->getPath()),
+        ];
+    }
+}
+
+echo json_encode($uxPackages, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . PHP_EOL;
diff --git a/.github/workflows/code-quality.yaml b/.github/workflows/code-quality.yaml
index bf9fd03867b..3391147a80c 100644
--- a/.github/workflows/code-quality.yaml
+++ b/.github/workflows/code-quality.yaml
@@ -81,3 +81,15 @@ jobs:
                   source .github/workflows/.utils.sh
 
                   echo "$PACKAGES" | xargs -n1 | parallel -j +3 "_run_task {} '(cd src/{} && $COMPOSER_MIN_STAB && $COMPOSER_UP && $PHPUNIT_INSTALL && $PHPSTAN)'"
+
+    normalize-package-php:
+        name: Normalize PHP Packages
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: '8.1'
+            - run: composer install --no-progress --no-interaction --ansi
+            - run: composer packages-normalize-check
diff --git a/.github/workflows/validate-packages.yaml b/.github/workflows/validate-packages.yaml
new file mode 100644
index 00000000000..34e684a323e
--- /dev/null
+++ b/.github/workflows/validate-packages.yaml
@@ -0,0 +1,44 @@
+name: Validate Packages
+
+on:
+    push:
+        paths:
+            - 'src/**/composer.json'
+    pull_request:
+        paths:
+            - 'src/**/composer.json'
+            - 'src/**/package.json'
+
+jobs:
+    validate-packages:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: '8.1'
+
+            - name: Install PHP root dependencies
+              run: composer install
+
+            - run: npm i -g corepack && corepack enable
+
+            - uses: actions/setup-node@v4
+              with:
+                  cache: 'yarn'
+
+            - name: Install Node.js root dependencies
+              run: yarn install --immutable
+
+            - name: Verify packages
+              run: |
+                  php .github/get-ux-packages.php | jq -r '.[] | .path' | while read -r pkg_path; do
+                    composer normalize "$pkg_path/composer.json" --no-check-lock --dry-run || echo "\033[41mFile $pkg_path is not normalized.\033[0m\033[41mPlease run "composer packages-normalize" in Symfony UX root repository.\033[0m" && exit 1;
+                    node <<EOF
+                        const normalizeData = require('normalize-package-data')
+                        const packageData = require("$pkg_path/package.json")
+                        normalizeData(packageData, true)
+                        EOF
+                done
diff --git a/composer.json b/composer.json
index 4a24cfc1386..822dfb40623 100644
--- a/composer.json
+++ b/composer.json
@@ -8,6 +8,15 @@
         "php": ">=8.1",
         "symfony/filesystem": "^6.4|^7.0",
         "symfony/finder": "^6.4|^7.0",
-        "php-cs-fixer/shim": "^3.62"
+        "php-cs-fixer/shim": "^3.62",
+        "ergebnis/composer-normalize": "^2.47"
+    },
+    "config": {
+        "allow-plugins": {
+            "ergebnis/composer-normalize": true
+        }
+    },
+    "scripts": {
+        "packages-normalize": "php .github/get-ux-packages.php | jq -r '.[] | .path' | while read -r path; do composer normalize \"$path/composer.json\" --no-check-lock; done"
     }
 }
diff --git a/package.json b/package.json
index 6aa2a0ee656..288f03d0b44 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
         "@symfony/stimulus-testing": "^2.0.1",
         "@vitest/browser": "^2.1.1",
         "lightningcss": "^1.28.2",
+        "normalize-package-data": "^7.0.0",
         "playwright": "^1.47.0",
         "rollup": "^4.22.5",
         "tslib": "^2.6.3",
diff --git a/yarn.lock b/yarn.lock
index 3fe81d3cf16..b9c6418451a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5775,6 +5775,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"hosted-git-info@npm:^8.0.0":
+  version: 8.1.0
+  resolution: "hosted-git-info@npm:8.1.0"
+  dependencies:
+    lru-cache: "npm:^10.0.1"
+  checksum: 10c0/53cc838ecaa7d4aa69a81d9d8edc362c9d415f67b76ad38cdd781d2a2f5b45ad0aa9f9b013fb4ea54a9f64fd2365d0b6386b5a24bdf4cb90c80477cf3175aaa2
+  languageName: node
+  linkType: hard
+
 "html-encoding-sniffer@npm:^2.0.1":
   version: 2.0.1
   resolution: "html-encoding-sniffer@npm:2.0.1"
@@ -7873,6 +7882,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"normalize-package-data@npm:^7.0.0":
+  version: 7.0.0
+  resolution: "normalize-package-data@npm:7.0.0"
+  dependencies:
+    hosted-git-info: "npm:^8.0.0"
+    semver: "npm:^7.3.5"
+    validate-npm-package-license: "npm:^3.0.4"
+  checksum: 10c0/d492cbc4cdd92e99cba517b08cec6adf40ff37f2e97ecf4484ccb2da1ef5bd81c6dfbd8b434d3bdc749df639492ecdc71f4a61de1a8b99fe97fdf4faac13e7f1
+  languageName: node
+  linkType: hard
+
 "normalize-path@npm:^2.1.1":
   version: 2.1.1
   resolution: "normalize-path@npm:2.1.1"
@@ -8804,6 +8824,7 @@ __metadata:
     "@symfony/stimulus-testing": "npm:^2.0.1"
     "@vitest/browser": "npm:^2.1.1"
     lightningcss: "npm:^1.28.2"
+    normalize-package-data: "npm:^7.0.0"
     playwright: "npm:^1.47.0"
     rollup: "npm:^4.22.5"
     tslib: "npm:^2.6.3"
@@ -9886,7 +9907,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"validate-npm-package-license@npm:^3.0.1":
+"validate-npm-package-license@npm:^3.0.1, validate-npm-package-license@npm:^3.0.4":
   version: 3.0.4
   resolution: "validate-npm-package-license@npm:3.0.4"
   dependencies: