diff --git a/ext_emconf.php b/ext_emconf.php
index f24d274..af32c86 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -13,7 +13,7 @@ $EM_CONF[$_EXTKEY] = [
     'version' => '9.0.0',
     'constraints' => [
         'depends' => [
-            'typo3' => '9.0.0-9.0.99',
+            'typo3' => '9.0.0-9.0.0',
         ],
         'conflicts' => [],
         'suggests' => [],