diff --git a/rector.php b/rector.php
index dc1c6df..3ba651a 100644
--- a/rector.php
+++ b/rector.php
@@ -4,7 +4,6 @@
 
 use Rector\Config\RectorConfig;
 use Rector\Set\ValueObject\LevelSetList;
-use Rector\Php73\Rector\FuncCall\JsonThrowOnErrorRector;
 
 return static function (RectorConfig $rectorConfig): void {
     $rectorConfig->paths([
@@ -15,8 +14,4 @@
     $rectorConfig->sets([
         LevelSetList::UP_TO_PHP_74,
     ]);
-
-    $rectorConfig->skip([
-        JsonThrowOnErrorRector::class,
-    ]);
 };
diff --git a/src/HydratableTrait.php b/src/HydratableTrait.php
index 7fc2633..87affed 100644
--- a/src/HydratableTrait.php
+++ b/src/HydratableTrait.php
@@ -6,7 +6,7 @@ trait HydratableTrait
 {
     public static function hydrate(string $json, $instance = null)
     {
-        $data = (array) json_decode($json);
+        $data = (array) json_decode($json, null, 512, JSON_THROW_ON_ERROR);
 
         $class = new \ReflectionClass(static::class);
 
@@ -57,7 +57,7 @@ private static function hydrateProcessValueObject($value)
     {
         $value = (array) $value;
         $class = $value['@class'];
-        return $class::hydrate(json_encode($value['data']));
+        return $class::hydrate(json_encode($value['data'], JSON_THROW_ON_ERROR));
     }
 
     private static function hydrateProcessValueArray($value)
diff --git a/src/Job/AbstractPersistentJob.php b/src/Job/AbstractPersistentJob.php
index 5d3a500..1f6b66b 100644
--- a/src/Job/AbstractPersistentJob.php
+++ b/src/Job/AbstractPersistentJob.php
@@ -33,7 +33,7 @@ public static function get(string $identifier, $storage, array $config = null)
                 return static::hydrate($json, $new);
             }
 
-            $storage->store(json_encode($new), $identifier);
+            $storage->store(json_encode($new, JSON_THROW_ON_ERROR), $identifier);
             return $new;
         }
         return false;
@@ -79,6 +79,6 @@ protected function serializeIgnoreProperties(): array
 
     private function selfStore()
     {
-        $this->storage->store(json_encode($this), $this->identifier);
+        $this->storage->store(json_encode($this, JSON_THROW_ON_ERROR), $this->identifier);
     }
 }
diff --git a/src/Job/Job.php b/src/Job/Job.php
index b267ddd..6ecc6ad 100644
--- a/src/Job/Job.php
+++ b/src/Job/Job.php
@@ -91,7 +91,12 @@ public function getTimeLimit(): int
 
     public function getState()
     {
-        return (array) json_decode($this->getResult()->getData());
+        try {
+            $data = json_decode($this->getResult()->getData(), null, 512, JSON_THROW_ON_ERROR);
+        } catch (\JsonException $exception) {
+            $data = null;
+        }
+        return (array)$data;
     }
 
     public function getStateProperty(string $property, $default = null)
@@ -133,6 +138,6 @@ protected function setError($message)
 
     protected function setState($state)
     {
-        $this->getResult()->setData(json_encode($state));
+        $this->getResult()->setData(json_encode($state, JSON_THROW_ON_ERROR));
     }
 }
diff --git a/src/Result.php b/src/Result.php
index 3ec1699..7d6f44a 100644
--- a/src/Result.php
+++ b/src/Result.php
@@ -14,8 +14,8 @@ class Result implements HydratableInterface
     public const DONE = 'done';
 
     private $status = self::STOPPED;
-    private string $data = "";
-    private string $error = "";
+    private string $data = '';
+    private string $error = '';
 
     public function setStatus($status)
     {
diff --git a/test/Job/AbstractPersistentJobTest.php b/test/Job/AbstractPersistentJobTest.php
index 2cb43fd..6c48b38 100644
--- a/test/Job/AbstractPersistentJobTest.php
+++ b/test/Job/AbstractPersistentJobTest.php
@@ -19,18 +19,18 @@ public function testSerialization()
         $job->setTimeLimit($timeLimit);
         $job->run();
 
-        $json = json_encode($job);
+        $json = json_encode($job, JSON_THROW_ON_ERROR);
 
         /* @var $job2 \Procrastinator\Job\AbstractPersistentJob */
         $job2 = Persistor::hydrate($json);
 
-        $data = json_decode($job2->getResult()->getData());
+        $data = json_decode($job2->getResult()->getData(), null, 512, JSON_THROW_ON_ERROR);
         $this->assertEquals(true, $data->ran);
         $this->assertEquals($timeLimit, $job2->getTimeLimit());
 
         $job3 = Persistor::get("1", $storage);
 
-        $data = json_decode($job3->getResult()->getData());
+        $data = json_decode($job3->getResult()->getData(), null, 512, JSON_THROW_ON_ERROR);
         $this->assertEquals(true, $data->ran);
         $this->assertEquals(true, $job3->getStateProperty("ran"));
         $this->assertEquals(true, $job3->getStateProperty("ran2", true));
diff --git a/test/Mock/TwoStage.php b/test/Mock/TwoStage.php
index 54b732a..30ffc3e 100644
--- a/test/Mock/TwoStage.php
+++ b/test/Mock/TwoStage.php
@@ -21,10 +21,10 @@ protected function runIt()
             return $result;
         } elseif ($this->stage == 2) {
             $data_string = $this->getResult()->getData();
-            $data = json_decode($data_string);
+            $data = json_decode($data_string, null, 512, JSON_THROW_ON_ERROR);
             $data[] = 'd';
 
-            return json_encode($data);
+            return json_encode($data, JSON_THROW_ON_ERROR);
         }
     }
 }
diff --git a/test/ResultTest.php b/test/ResultTest.php
index 708c33f..74a5b09 100644
--- a/test/ResultTest.php
+++ b/test/ResultTest.php
@@ -18,7 +18,7 @@ public function testSerialization()
         $result = new Result();
         $result->setStatus(Result::ERROR);
         $result->setData("Hello Friend");
-        $json = json_encode($result);
+        $json = json_encode($result, JSON_THROW_ON_ERROR);
 
         $result2 = Result::hydrate($json);
 
diff --git a/test/SerializeHydrateTest.php b/test/SerializeHydrateTest.php
index 7485c01..0bb35aa 100644
--- a/test/SerializeHydrateTest.php
+++ b/test/SerializeHydrateTest.php
@@ -10,7 +10,7 @@ class SerializeHydrateTest extends TestCase
     public function test()
     {
         $object = new Complex();
-        $json = json_encode($object);
+        $json = json_encode($object, JSON_THROW_ON_ERROR);
 
         $object2 = Complex::hydrate($json);