diff --git a/composer.json b/composer.json
index 126f4ac..8b61743 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,6 @@
         "bit/taskman_git" : "^v1.0.0"
     },
     "autoload": {
-        "classmap": ["upm.inc.php"]
+        "files": ["upm.inc.php"]
     }
 }