diff --git a/src/bootstrap.php b/src/bootstrap.php
index b4bcb83..44bd04e 100644
--- a/src/bootstrap.php
+++ b/src/bootstrap.php
@@ -8,5 +8,14 @@ foreach ($loaders as $loader) {
     if (file_exists($loader)) { require_once $loader; break; }
 }
 
+if (count($argv)>1 && $argv[1]=='self-update') {
+    if (IS_PHAR) {
+        tinyphar_update(META_PACKAGE_NAME, META_PACKAGE_VERSION, META_UPDATE_CHANNEL);
+    } else {
+        printf("Error: You can only self-update phar archives!\n");
+    }
+    exit;
+}
+
 $app = new MakePhar\Application();
 $app->run();