diff --git a/README.md b/README.md
index c82f3d0250..7f4ed0e45a 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ You can try the CRM on an online [demo](https://www.espocrm.com/demo/).
 
 ### Requirements
 
-* PHP 8.2 - 8.3;
+* PHP 8.2 - 8.4;
 * MySQL 5.7 (and later), or MariaDB 10.2 (and later);
 * PostgreSQL 15 (and later).
 
diff --git a/application/Espo/Resources/defaults/systemConfig.php b/application/Espo/Resources/defaults/systemConfig.php
index bc9621b633..1d9a323a18 100644
--- a/application/Espo/Resources/defaults/systemConfig.php
+++ b/application/Espo/Resources/defaults/systemConfig.php
@@ -262,7 +262,7 @@ return [
         'aclAllowDeleteCreated',
     ],
     'isInstalled' => false,
-    'requiredPhpVersion' => '8.1.0',
+    'requiredPhpVersion' => '8.2.0',
     'requiredPhpLibs' => [
         'json',
         'openssl',