diff --git a/Makefile b/Makefile
index 8f65b9e..7ff8659 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,9 @@ install:
 validate:
 	composer validate
 
+refresh:
+	composer dump-autoload
+
 lint:
 	composer exec --verbose phpcs -- --standard=PSR12 src bin
 
diff --git a/bin/brain-games b/bin/brain-games
index 5550342..273f431 100755
--- a/bin/brain-games
+++ b/bin/brain-games
@@ -1,5 +1,6 @@
 #!/usr/bin/env docker-compose run php
 <?php
+require_once __DIR__ . '/../src/bootstrap.php';
 
 use function BrainGames\Cli\greeting;
 
diff --git a/src/bootstrap.php b/src/bootstrap.php
new file mode 100644
index 0000000..be4b16e
--- /dev/null
+++ b/src/bootstrap.php
@@ -0,0 +1,8 @@
+<?php
+
+$autoloadGlobalPath = __DIR__ . '/../../../autoload.php';
+$autoloadLocalPath = __DIR__ . '/../vendor/autoload.php';
+
+$autoloadPath = file_exists($autoloadGlobalPath) ? $autoloadGlobalPath : $autoloadLocalPath;
+
+require_once $autoloadPath;