diff --git a/composer.json b/composer.json
index 49cdd29..7f261a6 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
 		}
 	],
 	"require": {
-		"php": ">=8.3.36",
+		"php": ">=8.1.0",
 		"ext-dom": "*",
 		"composer/installers": "^1.0 || ^2.0"
 	},
diff --git a/ext.php b/ext.php
index e447c5e..fcd63ae 100644
--- a/ext.php
+++ b/ext.php
@@ -45,12 +45,12 @@ public function check_phpbb_version()
 	}
 
 	/**
-	 * Requires PHP 8.3.36 due to security fixes.
+	 * Requires PHP 8.1.0 or later.
 	 *
 	 * @return bool
 	 */
 	public function check_php_version()
 	{
-		return PHP_VERSION_ID >= 80336;
+		return PHP_VERSION_ID >= 80100;
 	}
 }
diff --git a/language/en/install_feedlinks.php b/language/en/install_feedlinks.php
index 0a3e9ed..f150101 100644
--- a/language/en/install_feedlinks.php
+++ b/language/en/install_feedlinks.php
@@ -22,5 +22,5 @@
 }
 
 $lang = array_merge($lang, [
-	'FEEDLINKS_NOT_ENABLEABLE'	=> 'Feed Links could not be enabled. It needs phpBB 3.3.19 or later, PHP 8.3.36 or later, and the PHP DOM extension.',
+	'FEEDLINKS_NOT_ENABLEABLE'	=> 'Feed Links could not be enabled. It needs phpBB 3.3.19 or later, PHP 8.1 or later, and the PHP DOM extension.',
 ]);