diff --git a/application/Espo/Resources/defaults/systemConfig.php b/application/Espo/Resources/defaults/systemConfig.php
index 0a1d7f2c72..436d004d9f 100644
--- a/application/Espo/Resources/defaults/systemConfig.php
+++ b/application/Espo/Resources/defaults/systemConfig.php
@@ -263,7 +263,7 @@ return [
         'aclAllowDeleteCreated',
     ],
     'isInstalled' => false,
-    'requiredPhpVersion' => '8.2.0',
+    'requiredPhpVersion' => '8.3.0',
     'requiredPhpLibs' => [
         'json',
         'openssl',
diff --git a/composer.json b/composer.json
index 299240ba78..6f8e64dbf1 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "homepage": "https://github.com/espocrm/espocrm.git",
     "license": "AGPL-3.0-or-later",
     "require": {
-        "php": ">=8.2.0 <8.5.0",
+        "php": ">=8.3.0 <8.5.0",
         "ext-openssl": "*",
         "ext-json": "*",
         "ext-zip": "*",