diff --git a/api/src/Repositories/WorkingHoursRepository.php b/api/src/Repositories/WorkingHoursRepository.php
index edc8222..3046ee9 100644
--- a/api/src/Repositories/WorkingHoursRepository.php
+++ b/api/src/Repositories/WorkingHoursRepository.php
@@ -86,6 +86,7 @@ class WorkingHoursRepository implements RepositoryReaderInterface, RepositoryWri
      * @param WorkingHours|ModelInterface $model
      *
      * @throws RepositoryModelAlreadyExists
+     * @throws Exception
      */
     public function insert(mixed $model): void
     {
diff --git a/api/tests/unit/Repositories/WorkingHoursRepositoryTest.php b/api/tests/unit/Repositories/WorkingHoursRepositoryTest.php
index a8f44ee..7c6dd2e 100644
--- a/api/tests/unit/Repositories/WorkingHoursRepositoryTest.php
+++ b/api/tests/unit/Repositories/WorkingHoursRepositoryTest.php
@@ -33,6 +33,9 @@ class WorkingHoursRepositoryTest extends Unit
         parent::_before();
     }
 
+    /**
+     * @throws Exception
+     */
     public function testFindAll(): void
     {
         $repository = new WorkingHoursRepository($this->pdoObject);
@@ -139,6 +142,10 @@ class WorkingHoursRepositoryTest extends Unit
         $repository->findByKey(self::EXISTING_DATE);
     }
 
+    /**
+     * @throws RepositoryRecordNotFoundException
+     * @throws Exception
+     */
     public function testNotExistsDelete(): void
     {
         $repository = new WorkingHoursRepository($this->pdoObject);
diff --git a/api/tests/unit/Repositories/WorkingHoursViewRepositoryTest.php b/api/tests/unit/Repositories/WorkingHoursViewRepositoryTest.php
index a78e106..9297162 100644
--- a/api/tests/unit/Repositories/WorkingHoursViewRepositoryTest.php
+++ b/api/tests/unit/Repositories/WorkingHoursViewRepositoryTest.php
@@ -5,6 +5,7 @@ namespace TorstenHettstedt\TimekeepingApi\Tests\Unit\Repositories;
 use Codeception\Test\Unit;
 use DateTime;
 use DateTimeZone;
+use Exception;
 use PDO;
 use TorstenHettstedt\TimekeepingApi\Models\WorkingHoursView;
 use TorstenHettstedt\TimekeepingApi\Repositories\RepositoryRecordNotFoundException;
@@ -37,6 +38,7 @@ class WorkingHoursViewRepositoryTest extends Unit
 
     /**
      * @return array[]
+     * @throws Exception
      */
     public function existingObjectProvider(): array
     {