diff --git a/lib/Doctrine/Inflector/Rules/French/Inflectible.php b/lib/Doctrine/Inflector/Rules/French/Inflectible.php
index 3498acf..c8f1f8f 100644
--- a/lib/Doctrine/Inflector/Rules/French/Inflectible.php
+++ b/lib/Doctrine/Inflector/Rules/French/Inflectible.php
@@ -31,6 +31,7 @@ public static function getPlural(): iterable
         yield new Transformation(new Pattern('/(s|x|z)$/'), '\1');
         yield new Transformation(new Pattern('/(b|cor|ém|gemm|soupir|trav|vant|vitr)ail$/'), '\1aux');
         yield new Transformation(new Pattern('/ail$/'), 'ails');
+        yield new Transformation(new Pattern('/(chacal|carnaval|festival|récital)$/'), '\1s');
         yield new Transformation(new Pattern('/al$/'), 'aux');
         yield new Transformation(new Pattern('/(bleu|émeu|landau|pneu|sarrau)$/'), '\1s');
         yield new Transformation(new Pattern('/(bijou|caillou|chou|genou|hibou|joujou|lieu|pou|au|eu|eau)$/'), '\1x');
diff --git a/tests/Doctrine/Tests/Inflector/Rules/French/FrenchFunctionalTest.php b/tests/Doctrine/Tests/Inflector/Rules/French/FrenchFunctionalTest.php
index 262c118..3c073ac 100644
--- a/tests/Doctrine/Tests/Inflector/Rules/French/FrenchFunctionalTest.php
+++ b/tests/Doctrine/Tests/Inflector/Rules/French/FrenchFunctionalTest.php
@@ -53,6 +53,10 @@ public function dataSampleWords(): array
             ['monsieur', 'messieurs'],
             ['madame', 'mesdames'],
             ['mademoiselle', 'mesdemoiselles'],
+            ['chacal', 'chacals'],
+            ['carnaval', 'carnavals'],
+            ['festival', 'festivals'],
+            ['récital', 'récitals'],
         ];
     }