diff --git a/include/install/Installer.php b/include/install/Installer.php
index 3c19009..3308cfa 100644
--- a/include/install/Installer.php
+++ b/include/install/Installer.php
@@ -237,7 +237,7 @@ class Installer{
 			$can_install		= -1;
 		}
 
-		$this->SetStatus($langmessage['PHP_Version'], $can_install, $version, '7.3+');
+		$this->SetStatus($langmessage['PHP_Version'], $can_install, $version, '8.0+');
 	}
 
 
diff --git a/index.php b/index.php
index 6bae00a..a01ca0d 100644
--- a/index.php
+++ b/index.php
@@ -22,7 +22,7 @@ if( false ){
 }
 
 if( version_compare(phpversion(), '7.3.0', '<') ){
-	exit( 'Error: Typesetter CMS requires PHP 7.3+. This server is running PHP version ' . phpversion() );
+	exit( 'Error: Typesetter CMS requires PHP 8.0+. This server is running PHP version ' . phpversion() );
 }
 
 /**