diff --git a/README.md b/README.md
index 9e68037..305cf3a 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,12 @@ curl -sO https://gordalina.github.io/cachetool/downloads/cachetool-3.2.2.phar
 chmod +x cachetool-3.2.2.phar
 ```
 
+## Installation - Composer
+
+```sh
+composer require gordalina/cachetool
+```
+
 ## Usage
 
 CacheTool requires an adapter to connect to, it can be `cli`, `fcgi`, and `web`.
diff --git a/src/Console/Application.php b/src/Console/Application.php
index 728f002..c0735ef 100644
--- a/src/Console/Application.php
+++ b/src/Console/Application.php
@@ -19,6 +19,7 @@
 use CacheTool\CacheTool;
 use CacheTool\Command as CacheToolCommand;
 use CacheTool\Monolog\ConsoleHandler;
+use Composer\InstalledVersions;
 use Monolog\Logger;
 use SelfUpdate\SelfUpdateCommand;
 use Symfony\Component\Console\Application as BaseApplication;
@@ -33,8 +34,6 @@
 
 class Application extends BaseApplication
 {
-    const VERSION = '@package_version@';
-
     /**
      * @var Config
      */
@@ -50,7 +49,7 @@ class Application extends BaseApplication
      */
     public function __construct(Config $config)
     {
-        parent::__construct('CacheTool', self::VERSION);
+        parent::__construct('CacheTool', InstalledVersions::getVersion('gordalina/cachetool'));
 
         $this->config = $config;
         $this->logger = new Logger('cachetool');
@@ -64,7 +63,7 @@ protected function getDefaultCommands(): array
         $commands = parent::getDefaultCommands();
         $commands[] = new SelfUpdateCommand(
             'gordalina/cachetool',
-            '@package_version@',
+             $this->getVersion(),
             'gordalina/cachetool'
         );