diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d6b0f9..5e87503 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.3.1]
+### Changed
+- Fixed handling the `date_get_last_errors` function returning `false` since PHP 8.2 when no errors occurred
+- Updated `mocker/mockery` to `^1.3`
+
 ## [1.3.0]
 ### Added
 - Allow library to work with different versions of `paysera/lib-object-wrapper` since `0.3.0`
diff --git a/composer.json b/composer.json
index ba766c2..fa8a1f6 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^6.5 || ^9.0",
-        "mockery/mockery": "^1.2",
+        "mockery/mockery": "^1.3",
         "ext-json": "*"
     },
     "config": {
diff --git a/src/Normalizer/DateTimeNormalizer.php b/src/Normalizer/DateTimeNormalizer.php
index c1c1961..ab7bb75 100644
--- a/src/Normalizer/DateTimeNormalizer.php
+++ b/src/Normalizer/DateTimeNormalizer.php
@@ -54,7 +54,7 @@ public function denormalize($input, DenormalizationContext $context)
             throw new InvalidDataException('Provided date format is invalid');
         }
         $dateErrors = date_get_last_errors();
-        if ($dateErrors['warning_count'] > 0 || $dateErrors['error_count'] > 0) {
+        if ($dateErrors !== false && ($dateErrors['warning_count'] > 0 || $dateErrors['error_count'] > 0)) {
             throw new InvalidDataException('The parsed date was invalid');
         }
         return $date->setTimezone($this->getLocalTimezone());
diff --git a/tests/DateTimeNormalizerFunctionalTest.php b/tests/DateTimeNormalizerFunctionalTest.php
new file mode 100644
index 0000000..f50d2b1
--- /dev/null
+++ b/tests/DateTimeNormalizerFunctionalTest.php
@@ -0,0 +1,105 @@
+<?php
+declare(strict_types=1);
+
+namespace Paysera\Component\Normalization\Tests;
+
+use DateTime;
+use DateTimeImmutable;
+use DateTimeInterface;
+use DateTimeZone;
+use Mockery\Adapter\Phpunit\MockeryTestCase;
+use Paysera\Component\Normalization\CoreDenormalizer;
+use Paysera\Component\Normalization\CoreNormalizer;
+use Paysera\Component\Normalization\DataFilter;
+use Paysera\Component\Normalization\Normalizer\DateTimeImmutableNormalizer;
+use Paysera\Component\Normalization\Normalizer\DateTimeNormalizer;
+use Paysera\Component\Normalization\Registry\GroupedNormalizerRegistryProvider;
+use Paysera\Component\Normalization\TypeGuesser;
+
+class DateTimeNormalizerFunctionalTest extends MockeryTestCase
+{
+    const TIMESTAMP_FORMAT = 'U';
+    const DATETIME_FORMAT = 'Y-m-d\TH:i:sP';
+
+    public function testDateTimeNormalizerWithTimestampFormat()
+    {
+        $normalizerRegistryProvider = $this->getGroupedNormalizerRegistryProvider(self::TIMESTAMP_FORMAT);
+
+        $coreDenormalizer = new CoreDenormalizer($normalizerRegistryProvider);
+        $coreNormalizer = new CoreNormalizer($normalizerRegistryProvider, new TypeGuesser(), new DataFilter());
+
+        $timestamp = 1514808794;
+
+        $dateTime = new DateTime('now', new DateTimeZone('Europe/Vilnius'));
+        $dateTime->setTimestamp($timestamp);
+        $normalized = $coreNormalizer->normalize($dateTime);
+
+        $this->assertSame((string)$timestamp, $normalized);
+
+        /** @var DateTimeImmutable $denormalized */
+        $denormalized = $coreDenormalizer->denormalize($normalized, DateTimeImmutable::class);
+        $this->assertInstanceOf(DateTimeImmutable::class, $denormalized);
+        $this->assertSame($timestamp, $denormalized->getTimestamp());
+
+        /** @var DateTimeInterface $denormalized */
+        $denormalized = $coreDenormalizer->denormalize($normalized, DateTimeInterface::class);
+        $this->assertInstanceOf(DateTimeImmutable::class, $denormalized);
+        $this->assertSame($timestamp, $denormalized->getTimestamp());
+
+        /** @var DateTime $denormalized */
+        $denormalized = $coreDenormalizer->denormalize($normalized, DateTime::class);
+        $this->assertInstanceOf(DateTime::class, $denormalized);
+        $this->assertSame($timestamp, $denormalized->getTimestamp());
+    }
+
+    public function testDateTimeNormalizer()
+    {
+        $normalizerRegistryProvider = $this->getGroupedNormalizerRegistryProvider(self::DATETIME_FORMAT);
+
+        $coreDenormalizer = new CoreDenormalizer($normalizerRegistryProvider);
+        $coreNormalizer = new CoreNormalizer($normalizerRegistryProvider, new TypeGuesser(), new DataFilter());
+
+        $timestamp = 1514808794;
+
+        $dateTime = new DateTime('now', new DateTimeZone('Europe/Vilnius'));
+        $dateTime->setTimestamp($timestamp);
+        $expected = new DateTime('now', new DateTimeZone(date_default_timezone_get()));
+        $expected->setTimestamp($timestamp);
+
+        $normalized = $coreNormalizer->normalize($dateTime);
+
+        $this->assertSame($expected->format('Y-m-d\TH:i:sP'), $normalized);
+
+        /** @var DateTimeImmutable $denormalized */
+        $denormalized = $coreDenormalizer->denormalize($normalized, DateTimeImmutable::class);
+        $this->assertInstanceOf(DateTimeImmutable::class, $denormalized);
+        $this->assertSame($timestamp, $denormalized->getTimestamp());
+
+        /** @var DateTimeInterface $denormalized */
+        $denormalized = $coreDenormalizer->denormalize($normalized, DateTimeInterface::class);
+        $this->assertInstanceOf(DateTimeImmutable::class, $denormalized);
+        $this->assertSame($timestamp, $denormalized->getTimestamp());
+
+        /** @var DateTime $denormalized */
+        $denormalized = $coreDenormalizer->denormalize($normalized, DateTime::class);
+        $this->assertInstanceOf(DateTime::class, $denormalized);
+        $this->assertSame($timestamp, $denormalized->getTimestamp());
+    }
+
+    private function getGroupedNormalizerRegistryProvider(string $format)
+    {
+        $normalizerRegistryProvider = new GroupedNormalizerRegistryProvider();
+
+        $normalizerRegistryProvider->addNormalizer(new DateTimeNormalizer($format));
+        $normalizerRegistryProvider->addNormalizer(new DateTimeImmutableNormalizer($format));
+
+        $normalizerRegistryProvider->addMixedTypeDenormalizer(new DateTimeNormalizer($format));
+        $normalizerRegistryProvider->addMixedTypeDenormalizer(new DateTimeImmutableNormalizer($format));
+        $normalizerRegistryProvider->addMixedTypeDenormalizer(
+            new DateTimeImmutableNormalizer($format),
+            DateTimeInterface::class
+        );
+
+        return $normalizerRegistryProvider;
+    }
+}