diff --git a/ext_emconf.php b/ext_emconf.php
index cd5512b..23ed2e9 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -14,4 +14,14 @@ $EM_CONF[$_EXTKEY] = [
             'typo3' => '7.6.0-8.7.99',
         ],
     ],
+    'autoload' => [
+        'psr-4' => [
+            'OliverKlee\\Tea\\' => 'Classes/',
+        ],
+    ],
+    'autoload-dev' => [
+        'psr-4' => [
+            'OliverKlee\\Tea\\Tests\\' => 'Tests/',
+        ],
+    ],
 ];