diff --git a/src/StaticPHP/Artifact/Downloader/Type/PhpRelease.php b/src/StaticPHP/Artifact/Downloader/Type/PhpRelease.php
index b1fad70e..8368c409 100644
--- a/src/StaticPHP/Artifact/Downloader/Type/PhpRelease.php
+++ b/src/StaticPHP/Artifact/Downloader/Type/PhpRelease.php
@@ -24,7 +24,7 @@ class PhpRelease implements DownloadTypeInterface, ValidatorInterface, CheckUpda
 
     public function download(string $name, array $config, ArtifactDownloader $downloader): DownloadResult
     {
-        $phpver = $downloader->getOption('with-php', '8.4');
+        $phpver = $downloader->getOption('with-php', '8.5');
         // Handle 'git' version to clone from php-src repository
         if ($phpver === 'git') {
             $this->sha256 = null;
@@ -74,7 +74,7 @@ class PhpRelease implements DownloadTypeInterface, ValidatorInterface, CheckUpda
 
     public function checkUpdate(string $name, array $config, ?string $old_version, ArtifactDownloader $downloader): CheckUpdateResult
     {
-        $phpver = $downloader->getOption('with-php', '8.4');
+        $phpver = $downloader->getOption('with-php', '8.5');
         if ($phpver === 'git') {
             // git version: delegate to Git checkUpdate with master branch
             return (new Git())->checkUpdate($name, ['url' => 'https://github.com/php/php-src.git', 'rev' => 'master'], $old_version, $downloader);
@@ -90,7 +90,7 @@ class PhpRelease implements DownloadTypeInterface, ValidatorInterface, CheckUpda
 
     protected function fetchPhpReleaseInfo(string $name, array $config, ArtifactDownloader $downloader): array
     {
-        $phpver = $downloader->getOption('with-php', '8.4');
+        $phpver = $downloader->getOption('with-php', '8.5');
         // Handle 'git' version to clone from php-src repository
         if ($phpver === 'git') {
             // cannot fetch release info for git version, return empty info to skip validation
diff --git a/src/StaticPHP/Artifact/DownloaderOptions.php b/src/StaticPHP/Artifact/DownloaderOptions.php
index 3e00d3b3..47c960ef 100644
--- a/src/StaticPHP/Artifact/DownloaderOptions.php
+++ b/src/StaticPHP/Artifact/DownloaderOptions.php
@@ -52,7 +52,7 @@ class DownloaderOptions
 
         return [
             // php version option
-            new InputOption("{$p}with-php", null, InputOption::VALUE_REQUIRED, 'PHP version in major.minor format (default 8.4)', '8.4'),
+            new InputOption("{$p}with-php", null, InputOption::VALUE_REQUIRED, 'PHP version in major.minor format (default 8.5)', '8.5'),
 
             // download preference options
             new InputOption("{$p}prefer-source", null, InputOption::VALUE_OPTIONAL, 'Prefer source downloads when both source and binary are available', false),
diff --git a/src/StaticPHP/Command/CheckUpdateCommand.php b/src/StaticPHP/Command/CheckUpdateCommand.php
index 1663337c..077da4f4 100644
--- a/src/StaticPHP/Command/CheckUpdateCommand.php
+++ b/src/StaticPHP/Command/CheckUpdateCommand.php
@@ -26,7 +26,7 @@ class CheckUpdateCommand extends BaseCommand
         $this->addOption('parallel', 'p', InputOption::VALUE_REQUIRED, 'Number of parallel update checks (default: 10)', 10);
 
         // --with-php option for checking updates with a specific PHP version context
-        $this->addOption('with-php', null, InputOption::VALUE_REQUIRED, 'PHP version in major.minor format (default 8.4)', '8.4');
+        $this->addOption('with-php', null, InputOption::VALUE_REQUIRED, 'PHP version in major.minor format (default 8.5)', '8.5');
     }
 
     public function handle(): int