diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 1d19243..c018062 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 6b02730..83fa864 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -79,7 +79,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/src/Scheduler/Trigger/PeriodicalTrigger.php b/src/Scheduler/Trigger/PeriodicalTrigger.php
index 9f7ba7d..582a4ba 100644
--- a/src/Scheduler/Trigger/PeriodicalTrigger.php
+++ b/src/Scheduler/Trigger/PeriodicalTrigger.php
@@ -15,17 +15,13 @@ public function __construct(string|int|\DateInterval $interval)
     {
         try {
             if (is_int($interval)) {
-                $dateTime = \DateInterval::createFromDateString(sprintf('%d seconds', $interval));
-                assert($dateTime instanceof \DateInterval);
-                $this->interval = $dateTime;
+                $this->interval = \DateInterval::createFromDateString(sprintf('%d seconds', $interval));
                 $this->description = sprintf('every %s', $interval);
             } elseif (\is_string($interval) && str_starts_with($interval, 'P')) {
                 $this->interval = new \DateInterval($interval);
                 $this->description = sprintf('DateInterval (%s)', $interval);
             } elseif (\is_string($interval)) {
-                $dateTime = \DateInterval::createFromDateString($interval);
-                assert($dateTime instanceof \DateInterval);
-                $this->interval = $dateTime;
+                $this->interval = \DateInterval::createFromDateString($interval);
                 $this->description = sprintf('every %s', $interval);
             } else {
                 $this->interval = $interval;