diff --git a/composer.json b/composer.json
index 5940e38..80dfc9e 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
   },
   "require": {
     "php": "7.4.0 - 8.2.99",
-    "typo3/cms-core": "^11.5"
+    "typo3/cms-core": "^11.5 || ^12.4"
   },
   "replace": {
     "typo3-ter/plausible-analytics": "self.version"
diff --git a/ext_emconf.php b/ext_emconf.php
index e8226fa..580dd59 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -11,7 +11,7 @@ $EM_CONF[$_EXTKEY] = [
     'version' => '1.2.0',
     'constraints' => [
         'depends' => [
-            'typo3' => '11.5.0-11.5.99',
+            'typo3' => '11.5.0-12.4.99',
             'php' => '7.4.0-8.2.99'
         ],
     ],