diff --git a/.gitattributes b/.gitattributes
index 3bee9f50..65a9bfa5 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -9,8 +9,6 @@
 phpunit.xml.dist export-ignore
 wp-tests-config-sample.php export-ignore
 phpcs.xml.dist export-ignore
-composer.json export-ignore
-composer.lock export-ignore
 package.json export-ignore
 package-lock.json export-ignore
 .wp-env.json export-ignore
diff --git a/plugin.php b/plugin.php
index 8f5803b6..78acc1aa 100644
--- a/plugin.php
+++ b/plugin.php
@@ -25,7 +25,11 @@
 const PLUGIN_DIR = __DIR__;
 const PLUGIN_FILE = __FILE__;
 
-require_once __DIR__ . '/vendor/autoload.php';
+// Use local autoload if available.
+if ( file_exists( __DIR__ . '/vendor/autoload.php' ) ) {
+	require_once __DIR__ . '/vendor/autoload.php';
+}
+
 require_once __DIR__ . '/inc/namespace.php';
 require_once __DIR__ . '/inc/avatars/namespace.php';
 require_once __DIR__ . '/inc/credits/namespace.php';