diff --git a/tests/Portugal/PortugueseRepublicDayTest.php b/tests/Portugal/PortugueseRepublicDayTest.php
index c9088055c..ee52961a3 100644
--- a/tests/Portugal/PortugueseRepublicDayTest.php
+++ b/tests/Portugal/PortugueseRepublicDayTest.php
@@ -138,7 +138,7 @@ private function randomYearsBeforeEstablishment(): \Generator
      */
     private function randomYearsOnAfterEstablishment(): \Generator
     {
-        yield $this->generateRandomYear(self::ESTABLISHMENT_YEAR);
+        yield $this->generateRandomYear(self::ESTABLISHMENT_YEAR, self::HOLIDAY_YEAR_SUSPENDED - 1);
         yield self::ESTABLISHMENT_YEAR;
     }