diff --git a/api/src/loader.php b/api/src/loader.php
index 241d4582ec..88218ee077 100644
--- a/api/src/loader.php
+++ b/api/src/loader.php
@@ -25,7 +25,7 @@ use EGroupware\Api\Egw;
 // --> switching it off for now, as it makes error-log unusable
 error_reporting(E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);
 
-$egw_min_php_version = '7.3';
+$egw_min_php_version = '7.4';
 if (!function_exists('version_compare') || version_compare(PHP_VERSION,$egw_min_php_version) < 0)
 {
 	die("EGroupware requires PHP $egw_min_php_version or greater.<br />Please contact your System Administrator to upgrade PHP!");
@@ -136,4 +136,4 @@ if ($GLOBALS['egw_info']['flags']['currentapp'] != 'login')
 	$_SESSION[Session::EGW_INFO_CACHE]['user']['apps'] = array_keys((array)$_SESSION[Session::EGW_INFO_CACHE]['user']['apps']);
 
 	$_SESSION[Session::EGW_OBJECT_CACHE] = serialize($GLOBALS['egw']);
-}
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index e3f4de4afb..5c09caa5c8 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
 	],
 	"config": {
 		"platform": {
-			"php": "7.3"
+			"php": "7.4"
 		},
 		"preferred-install": {
 			"egroupware/*": "source",
@@ -62,7 +62,7 @@
 		}
 	},
 	"require": {
-		"php": ">=7.3,<=8.1",
+		"php": ">=7.4,<=8.1",
 		"ext-gd": "*",
 		"ext-json": "*",
 		"ext-mysqli": "*",
@@ -157,4 +157,4 @@
 	},
     "minimum-stability": "dev",
     "prefer-stable": true
-}
+}
\ No newline at end of file
diff --git a/setup/inc/class.setup.inc.php b/setup/inc/class.setup.inc.php
index 0666b14490..29a0e4d710 100644
--- a/setup/inc/class.setup.inc.php
+++ b/setup/inc/class.setup.inc.php
@@ -70,13 +70,13 @@ class setup
 	 *
 	 * @var float
 	 */
-	var $required_php_version = 7.3;
+	var $required_php_version = 7.4;
 	/**
 	 * PHP Version recommended for EGroupware
 	 *
 	 * @var string
 	 */
-	var $recommended_php_version = '7.4';
+	var $recommended_php_version = '8.1';
 
 	function __construct($html=False, $translation=False)
 	{