diff --git a/README.md b/README.md
index 9d28075c3cecfa432364106f0d31073351340201..fcedb8308d1f36c392f87e0a48db6176d12f243e 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Repository: https://gitlab.sgalinski.de/typo3/sg_youtube
 
 Please report bugs here: https://gitlab.sgalinski.de/typo3/sg_youtube
 
-TYPO3 version: >9.5
+TYPO3 version: >10.4
 
 ## Installation / Integration
 
diff --git a/ext_emconf.php b/ext_emconf.php
index 4ce74197ffbede56535869a2f58e827abcadd9c2..d89aa145ba4ad079705b5f938efee7b68d246793 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -41,6 +41,7 @@ $EM_CONF['sg_youtube'] = [
 		'depends' => [
 			'typo3' => '10.4.0-11.5.99',
 			'project_theme_lightbox' => '1.0.0-2.9.99',
+			'php' => '7.4.0-8.1.99',
 		],
 		'conflicts' => [],
 		'suggests' => [],