diff --git a/composer.json b/composer.json
index 7b4916bf..03a46914 100644
--- a/composer.json
+++ b/composer.json
@@ -5,6 +5,12 @@
 		"classmap-authoritative": true,
 		"platform": {
 			"php": "7.4"
+		},
+		"autoloader-suffix": "Contacts"
+	},
+	"autoload": {
+		"psr-4": {
+			"OCA\\Contacts\\": "lib/"
 		}
 	},
 	"scripts": {
diff --git a/composer/autoload.php b/composer/autoload.php
new file mode 100644
index 00000000..a075e1e8
--- /dev/null
+++ b/composer/autoload.php
@@ -0,0 +1,5 @@
+<?php
+
+declare(strict_types=1);
+
+require_once __DIR__ . '/../vendor/autoload.php';