diff --git a/README.md b/README.md
index 174746e..40d1a55 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Shows each poster's user ID next to their posts.
 
 ## Requirements
 
-- phpBB 3.3.17 or later
+- phpBB 3.3.19 or later
 - PHP 8.2 or later
 
 ## Installation
diff --git a/composer.json b/composer.json
index 10d3aba..bd307e3 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     "extra": {
         "display-name": "User ID in Viewtopic",
         "soft-require": {
-            "phpbb/phpbb": ">=3.3.17,<4.0.0@dev"
+            "phpbb/phpbb": ">=3.3.19,<4.0.0@dev"
         }
     }
 }
diff --git a/ext.php b/ext.php
index 9bc9d1c..a71af1a 100644
--- a/ext.php
+++ b/ext.php
@@ -42,13 +42,13 @@ public function is_enableable()
 	}
 
 	/**
-	 * Require phpBB 3.3.17
+	 * Require phpBB 3.3.19
 	 *
 	 * @return bool
 	 */
 	protected function check_phpbb_version()
 	{
-		return phpbb_version_compare(PHPBB_VERSION, '3.3.17', '>=');
+		return phpbb_version_compare(PHPBB_VERSION, '3.3.19', '>=');
 	}
 
 	/**
diff --git a/language/en/install_useridviewtopic.php b/language/en/install_useridviewtopic.php
index a384288..0c6ad1b 100644
--- a/language/en/install_useridviewtopic.php
+++ b/language/en/install_useridviewtopic.php
@@ -35,5 +35,5 @@
 //
 
 $lang = array_merge($lang, [
-	'USERIDVIEWTOPIC_NOT_ENABLEABLE'	=> 'User ID in Viewtopic could not be enabled. The minimum requirements of phpBB 3.3.0 and/or PHP 8.2.0 were not satisfied.',
+	'USERIDVIEWTOPIC_NOT_ENABLEABLE'	=> 'User ID in Viewtopic could not be enabled. The minimum requirements of phpBB 3.3.19 and/or PHP 8.2.0 were not satisfied.',
 ]);