diff --git a/.castor/docker.php b/.castor/docker.php
index bfa0f6a..d47dcc4 100644
--- a/.castor/docker.php
+++ b/.castor/docker.php
@@ -17,6 +17,7 @@
 use function Castor\fs;
 use function Castor\io;
 use function Castor\log;
+use function Castor\open;
 use function Castor\run;
 use function Castor\variable;
 
@@ -53,10 +54,10 @@ function about(): void
     io()->listing(array_map(fn ($url) => "https://{$url}", $urls));
 }
 
-#[AsTask(description: 'Opens the project in your browser', namespace: '')]
-function open(): void
+#[AsTask(description: 'Opens the project in your browser', namespace: '', aliases: ['open'])]
+function open_project(): void
 {
-    run(['open', 'https://' . variable('root_domain')], quiet: true);
+    open('https://' . variable('root_domain'));
 }
 
 #[AsTask(description: 'Builds the infrastructure', aliases: ['build'])]
diff --git a/castor.php b/castor.php
index 556e03f..6f3dc75 100644
--- a/castor.php
+++ b/castor.php
@@ -2,6 +2,7 @@
 
 use Castor\Attribute\AsTask;
 
+use function Castor\guard_min_version;
 use function Castor\import;
 use function Castor\io;
 use function Castor\notify;
@@ -14,6 +15,8 @@
 use function docker\workers_start;
 use function docker\workers_stop;
 
+guard_min_version('0.14.0');
+
 import(__DIR__ . '/.castor');
 
 /**