diff --git a/app/Console/Commands/VersionFetch.php b/app/Console/Commands/VersionFetch.php
new file mode 100644
index 0000000..f4c2a0c
--- /dev/null
+++ b/app/Console/Commands/VersionFetch.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Setting;
+use Illuminate\Console\Command;
+use Symfony\Component\Process\Process;
+
+class VersionFetch extends Command
+{
+    protected $signature = 'version:fetch';
+
+    protected $description = 'Update the build number based on the git commit count of master.';
+
+    public function handle(): int
+    {
+        $version = Setting::where('key', 'version')->value('value');
+        $build = $this->resolveBuildCount();
+
+        if ($version === null) {
+            $this->error('Unable to determine version from settings.');
+            return self::FAILURE;
+        }
+
+        if ($build === null) {
+            $this->error('Unable to determine build number from git.');
+            return self::FAILURE;
+        }
+
+        Setting::updateOrCreate(
+            ['key' => 'build'],
+            ['value' => (string) $build],
+        );
+
+        if (!$this->syncComposerMetadata($version, $build)) {
+            $this->error('Failed to sync version/build to composer.json.');
+            return self::FAILURE;
+        }
+
+        $this->info("Build number updated to {$build}.");
+
+        return self::SUCCESS;
+    }
+
+    private function resolveBuildCount(): ?int
+    {
+        $commands = [
+            ['git', 'rev-list', '--count', 'master'],
+            ['git', 'rev-list', '--count', 'HEAD'],
+        ];
+
+        foreach ($commands as $command) {
+            $process = new Process($command, base_path());
+            $process->run();
+
+            if ($process->isSuccessful()) {
+                $output = trim($process->getOutput());
+                if (is_numeric($output)) {
+                    return (int) $output;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private function syncComposerMetadata(string $version, int $build): bool
+    {
+        $composerPath = base_path('composer.json');
+
+        if (!is_file($composerPath) || !is_readable($composerPath)) {
+            return false;
+        }
+
+        $raw = file_get_contents($composerPath);
+        if ($raw === false) {
+            return false;
+        }
+
+        $data = json_decode($raw, true);
+        if (!is_array($data)) {
+            return false;
+        }
+
+        $data['version'] = $version;
+        $data['build'] = (string) $build;
+
+        $encoded = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
+        if ($encoded === false) {
+            return false;
+        }
+
+        $encoded .= "\n";
+
+        return file_put_contents($composerPath, $encoded) !== false;
+    }
+}
diff --git a/bootstrap/app.php b/bootstrap/app.php
index c3928c5..5be197b 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -11,6 +11,9 @@ return Application::configure(basePath: dirname(__DIR__))
         commands: __DIR__.'/../routes/console.php',
         health: '/up',
     )
+    ->withCommands([
+        __DIR__.'/../app/Console/Commands',
+    ])
     ->withMiddleware(function (Middleware $middleware): void {
         //
     })