diff --git a/phpBB/docs/INSTALL.html b/phpBB/docs/INSTALL.html
index 2851151cddf..9262d2d612b 100644
--- a/phpBB/docs/INSTALL.html
+++ b/phpBB/docs/INSTALL.html
@@ -147,7 +147,7 @@ <h1>Install</h1>
 			<li>Oracle</li>
 		</ul>
 		</li>
-		<li><strong>PHP 7.2.0+</strong> up to and including <strong>PHP 8.1</strong> with support for the database you intend to use.</li>
+		<li><strong>PHP 7.2.0+</strong> up to and including <strong>PHP 8.3</strong> with support for the database you intend to use.</li>
 		<li>The following PHP modules are required:
 		<ul>
 			<li>json</li>
diff --git a/phpBB/docs/README.html b/phpBB/docs/README.html
index 2560401cac2..97c18c82c9a 100644
--- a/phpBB/docs/README.html
+++ b/phpBB/docs/README.html
@@ -327,7 +327,7 @@ <h1>Readme</h1>
 
 	<p>Please remember that running any application on a development (unstable, e.g. a beta release) version of PHP can lead to strange/unexpected results which may appear to be bugs in the application. Therefore, we recommend you upgrade to the newest stable version of PHP before running phpBB. If you are running a development version of PHP please check any bugs you find on a system running a stable release before submitting.</p>
 
-	<p>This board has been developed and tested under Linux and Windows (amongst others) running Apache using MySQLi 4.1.3, 4.x, 5.x, MariaDB 5.x, PostgreSQL 8.x, Oracle 8 and SQLite 3. Versions of PHP used range from 7.2.0 to 7.4.x, 8.0.x and 8.1.x.</p>
+	<p>This board has been developed and tested under Linux and Windows (amongst others) running Apache using MySQLi 4.1.3, 4.x, 5.x, MariaDB 5.x, PostgreSQL 8.x, Oracle 8 and SQLite 3. Versions of PHP used range from 7.2.0 to 7.4.x and 8.0.x to 8.3.x.</p>
 
 <a name="phpsec"></a><h3>7.i. Notice on PHP security issues</h3>