diff --git a/src/Provider/PL.php b/src/Provider/PL.php
index c1a7295..7056575 100644
--- a/src/Provider/PL.php
+++ b/src/Provider/PL.php
@@ -34,6 +34,7 @@ public function getHolidaysByYear($year)
             $easter['easterSunday']->format(self::DATE_FORMAT)    => $this->createData('Wielkanoc'),
             $easter['easterMonday']->format(self::DATE_FORMAT)    => $this->createData('Poniedziałek Wielkanocny'),
             $easter['corpusChristi']->format(self::DATE_FORMAT)    => $this->createData('Boże Ciało'),
+            $easter['pentecostSunday']->format(self::DATE_FORMAT)    => $this->createData('Zielone Świątki'),
         );
     }
 }
diff --git a/test/Provider/PLTest.php b/test/Provider/PLTest.php
index 1c73546..79494fc 100644
--- a/test/Provider/PLTest.php
+++ b/test/Provider/PLTest.php
@@ -38,6 +38,8 @@ public function dateProvider()
             array('2015-05-01', null, array('name' => 'Święto Pracy')),
             array('2016-12-26', null, array('name' => 'Drugi dzień Bożego Narodzenia')),
             array('2016-08-15', null, array('name' => 'Wniebowzięcie Najświętszej Maryi Panny')),
+            array('2019-06-09', null, array('name' => 'Zielone Świątki')),
+            array('2020-05-31', null, array('name' => 'Zielone Świątki')),
         );
     }
 }