diff --git a/doc/tasks/phpmd.md b/doc/tasks/phpmd.md
index 3ea6e2a0..9e139abb 100644
--- a/doc/tasks/phpmd.md
+++ b/doc/tasks/phpmd.md
@@ -47,7 +47,7 @@ This is a list of patterns that will be ignored by phpmd. With this option you c
 *Default: text*
 
 This sets the output [renderer](https://phpmd.org/documentation/#renderers) of phpmd.
-Available formats: ansi, text.
+Available formats: text, ansi, xml, html, json, gitlab, github.
 
 **ruleset**
 
diff --git a/src/Task/PhpMd.php b/src/Task/PhpMd.php
index 1aeccdaa..7d664d2a 100644
--- a/src/Task/PhpMd.php
+++ b/src/Task/PhpMd.php
@@ -32,7 +32,7 @@ public static function getConfigurableOptions(): ConfigOptionsResolver
         $resolver->addAllowedTypes('whitelist_patterns', ['array']);
         $resolver->addAllowedTypes('exclude', ['array']);
         $resolver->addAllowedTypes('report_format', ['string']);
-        $resolver->addAllowedValues('report_format', ['text', 'ansi']);
+        $resolver->addAllowedValues('report_format', ['text', 'ansi', 'xml', 'html', 'json', 'gitlab', 'github']);
         $resolver->addAllowedTypes('ruleset', ['array']);
         $resolver->addAllowedTypes('triggered_by', ['array']);