diff --git a/composer.json b/composer.json
index 2c017d1..f7f6bc3 100644
--- a/composer.json
+++ b/composer.json
@@ -10,12 +10,12 @@
     "psr/http-client-implementation": "1.0",
     "psr/http-factory": "^1.0",
     "psr/log": "^3.0",
-    "symfony/framework-bundle": "^6.4|^7.0 || 8.0.3",
-    "symfony/http-client": "^6.4.18|^7.2 || 8.0.3",
-    "symfony/http-kernel": "^6.4|^7.2 || 8.0.3",
-    "symfony/property-access": "^6.4|^7.2 || 8.0.3",
+    "symfony/framework-bundle": "^7.2 || ^8.0",
+    "symfony/http-client": "^7.2 || ^8.0",
+    "symfony/http-kernel": "^7.2 || ^8.0",
+    "symfony/property-access": "^7.2 || ^8.0",
     "symfony/service-contracts": "^3.5",
-    "symfony/var-exporter": "^6.4|^7.2 || 8.0.0",
+    "symfony/var-exporter": "^7.2 || ^8.0",
     "typesense/typesense-php": "^4.9|^5.0"
   },
   "require-dev": {
@@ -29,15 +29,14 @@
     "phpstan/phpstan-symfony": "^2.0",
     "phpunit/phpunit": "^11.5|^12.0",
     "rector/rector": "^2.0.8",
-    "symfony/console": "^6.4|^7.2 || 8.0.3",
-    "symfony/dotenv": "^6.4|^7.2 || 8.0.0",
-    "symfony/phpunit-bridge": "^7.0 || ^8.0",
-    "symfony/runtime": "^6.4|^7.2 || 8.0.1",
-    "symfony/yaml": "^6.4|^7.0 || 8.0.1"
+    "symfony/console": "^7.2 || ^8.0",
+    "symfony/dotenv": "^7.2 || ^8.0",
+    "symfony/phpunit-bridge": "^7.2 || ^8.0",
+    "symfony/runtime": "^7.2 || ^8.0",
+    "symfony/yaml": "^7.2 || ^8.0"
   },
   "conflict": {
-    "php-http/httplug": "<1.5",
-    "symfony/var-exporter": ">=8"
+    "php-http/httplug": "<1.5"
   },
   "config": {
     "sort-packages": true,
@@ -61,7 +60,6 @@
     "auto-scripts": {
       "cache:clear": "symfony-cmd"
     },
-
     "phpstan": [
       "Composer\\Config::disableProcessTimeout",
       "./vendor/bin/phpstan analyse --memory-limit=-1"
diff --git a/src/Client/ClientInterface.php b/src/Client/ClientInterface.php
index 734d52a..22a62f3 100644
--- a/src/Client/ClientInterface.php
+++ b/src/Client/ClientInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Client;
 
 use Typesense\Aliases;
diff --git a/src/CollectionAlias/AliasException.php b/src/CollectionAlias/AliasException.php
index 67b217d..7e05f7c 100644
--- a/src/CollectionAlias/AliasException.php
+++ b/src/CollectionAlias/AliasException.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\CollectionAlias;
 
 use Biblioverse\TypesenseBundle\Exception\SearchException;
diff --git a/src/CollectionAlias/CollectionAliasInterface.php b/src/CollectionAlias/CollectionAliasInterface.php
index cbb22f7..0c5a79c 100644
--- a/src/CollectionAlias/CollectionAliasInterface.php
+++ b/src/CollectionAlias/CollectionAliasInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\CollectionAlias;
 
 interface CollectionAliasInterface
diff --git a/src/Exception/SearchException.php b/src/Exception/SearchException.php
index 2f81b04..1d7c2a1 100644
--- a/src/Exception/SearchException.php
+++ b/src/Exception/SearchException.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Exception;
 
 class SearchException extends \RuntimeException
diff --git a/src/Indexer/IndexerInterface.php b/src/Indexer/IndexerInterface.php
index 8f886cf..e60e6f8 100644
--- a/src/Indexer/IndexerInterface.php
+++ b/src/Indexer/IndexerInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Indexer;
 
 interface IndexerInterface
diff --git a/src/Mapper/CollectionManagerInterface.php b/src/Mapper/CollectionManagerInterface.php
index 382659a..21e0e18 100644
--- a/src/Mapper/CollectionManagerInterface.php
+++ b/src/Mapper/CollectionManagerInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper;
 
 /**
diff --git a/src/Mapper/Converter/Exception/ValueExtractorException.php b/src/Mapper/Converter/Exception/ValueExtractorException.php
index 6d141d5..3ca2d78 100644
--- a/src/Mapper/Converter/Exception/ValueExtractorException.php
+++ b/src/Mapper/Converter/Exception/ValueExtractorException.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Converter\Exception;
 
 class ValueExtractorException extends \Exception
diff --git a/src/Mapper/Converter/Field/FieldConverterInterface.php b/src/Mapper/Converter/Field/FieldConverterInterface.php
index a762827..834eda0 100644
--- a/src/Mapper/Converter/Field/FieldConverterInterface.php
+++ b/src/Mapper/Converter/Field/FieldConverterInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Converter\Field;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueConversionException;
diff --git a/src/Mapper/Converter/ToTypesenseInterface.php b/src/Mapper/Converter/ToTypesenseInterface.php
index 58826ac..1d9d687 100644
--- a/src/Mapper/Converter/ToTypesenseInterface.php
+++ b/src/Mapper/Converter/ToTypesenseInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Converter;
 
 interface ToTypesenseInterface
diff --git a/src/Mapper/Converter/ValueConverterInterface.php b/src/Mapper/Converter/ValueConverterInterface.php
index ce96768..6729e62 100644
--- a/src/Mapper/Converter/ValueConverterInterface.php
+++ b/src/Mapper/Converter/ValueConverterInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Converter;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueConversionException;
diff --git a/src/Mapper/Converter/ValueExtractor.php b/src/Mapper/Converter/ValueExtractor.php
index 96533c8..ea2b8a1 100644
--- a/src/Mapper/Converter/ValueExtractor.php
+++ b/src/Mapper/Converter/ValueExtractor.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Converter;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueExtractorException;
diff --git a/src/Mapper/Converter/ValueExtractorInterface.php b/src/Mapper/Converter/ValueExtractorInterface.php
index aaa8eee..07d9c92 100644
--- a/src/Mapper/Converter/ValueExtractorInterface.php
+++ b/src/Mapper/Converter/ValueExtractorInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Converter;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueExtractorException;
diff --git a/src/Mapper/DataGeneratorInterface.php b/src/Mapper/DataGeneratorInterface.php
index 4024dd6..59dd4aa 100644
--- a/src/Mapper/DataGeneratorInterface.php
+++ b/src/Mapper/DataGeneratorInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueConversionException;
diff --git a/src/Mapper/Entity/EntityCollectionManagerInterface.php b/src/Mapper/Entity/EntityCollectionManagerInterface.php
index c1d21f7..0ef89f8 100644
--- a/src/Mapper/Entity/EntityCollectionManagerInterface.php
+++ b/src/Mapper/Entity/EntityCollectionManagerInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Entity;
 
 use Biblioverse\TypesenseBundle\Mapper\CollectionManagerInterface;
diff --git a/src/Mapper/Entity/EntityTransformerInterface.php b/src/Mapper/Entity/EntityTransformerInterface.php
index 451ac2f..6f87285 100644
--- a/src/Mapper/Entity/EntityTransformerInterface.php
+++ b/src/Mapper/Entity/EntityTransformerInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Entity;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueConversionException;
diff --git a/src/Mapper/Entity/Identifier/EntityIdentifier.php b/src/Mapper/Entity/Identifier/EntityIdentifier.php
index 94e7fd3..3ff03ab 100644
--- a/src/Mapper/Entity/Identifier/EntityIdentifier.php
+++ b/src/Mapper/Entity/Identifier/EntityIdentifier.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Entity\Identifier;
 
 use Doctrine\ORM\EntityManagerInterface;
diff --git a/src/Mapper/Entity/Identifier/EntityIdentifierInterface.php b/src/Mapper/Entity/Identifier/EntityIdentifierInterface.php
index db7f088..531689a 100644
--- a/src/Mapper/Entity/Identifier/EntityIdentifierInterface.php
+++ b/src/Mapper/Entity/Identifier/EntityIdentifierInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Entity\Identifier;
 
 interface EntityIdentifierInterface
diff --git a/src/Mapper/Fields/FieldMappingInterface.php b/src/Mapper/Fields/FieldMappingInterface.php
index 87f5d64..bb89164 100644
--- a/src/Mapper/Fields/FieldMappingInterface.php
+++ b/src/Mapper/Fields/FieldMappingInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Fields;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Field\FieldConverterInterface;
diff --git a/src/Mapper/Locator/InvalidTypeMapperException.php b/src/Mapper/Locator/InvalidTypeMapperException.php
index 931c97e..e6ec9c8 100644
--- a/src/Mapper/Locator/InvalidTypeMapperException.php
+++ b/src/Mapper/Locator/InvalidTypeMapperException.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Locator;
 
 class InvalidTypeMapperException extends \InvalidArgumentException
diff --git a/src/Mapper/Locator/MapperLocatorInterface.php b/src/Mapper/Locator/MapperLocatorInterface.php
index 2140569..0b740c7 100644
--- a/src/Mapper/Locator/MapperLocatorInterface.php
+++ b/src/Mapper/Locator/MapperLocatorInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Locator;
 
 use Biblioverse\TypesenseBundle\Mapper\CollectionManagerInterface;
diff --git a/src/Mapper/Mapping/MappingInterface.php b/src/Mapper/Mapping/MappingInterface.php
index 82d3d59..308a4fa 100644
--- a/src/Mapper/Mapping/MappingInterface.php
+++ b/src/Mapper/Mapping/MappingInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Mapping;
 
 use Biblioverse\TypesenseBundle\Mapper\Fields\FieldMappingInterface;
diff --git a/src/Mapper/MappingGeneratorInterface.php b/src/Mapper/MappingGeneratorInterface.php
index ef12f0e..2faf031 100644
--- a/src/Mapper/MappingGeneratorInterface.php
+++ b/src/Mapper/MappingGeneratorInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper;
 
 use Biblioverse\TypesenseBundle\Mapper\Mapping\MappingInterface;
diff --git a/src/Mapper/Metadata/MetadataMapping.php b/src/Mapper/Metadata/MetadataMapping.php
index 81b5fa5..2903563 100644
--- a/src/Mapper/Metadata/MetadataMapping.php
+++ b/src/Mapper/Metadata/MetadataMapping.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Metadata;
 
 use Biblioverse\TypesenseBundle\Utils\ArrayAccessTrait;
diff --git a/src/Mapper/Metadata/MetadataMappingInterface.php b/src/Mapper/Metadata/MetadataMappingInterface.php
index 3677c88..ef0074a 100644
--- a/src/Mapper/Metadata/MetadataMappingInterface.php
+++ b/src/Mapper/Metadata/MetadataMappingInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Metadata;
 
 interface MetadataMappingInterface
diff --git a/src/Mapper/Options/CollectionOptionsInterface.php b/src/Mapper/Options/CollectionOptionsInterface.php
index d883164..aec0bf1 100644
--- a/src/Mapper/Options/CollectionOptionsInterface.php
+++ b/src/Mapper/Options/CollectionOptionsInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper\Options;
 
 interface CollectionOptionsInterface
diff --git a/src/Mapper/StandaloneCollectionManagerInterface.php b/src/Mapper/StandaloneCollectionManagerInterface.php
index 58dbd33..7d10003 100644
--- a/src/Mapper/StandaloneCollectionManagerInterface.php
+++ b/src/Mapper/StandaloneCollectionManagerInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Mapper;
 
 /**
diff --git a/src/Populate/BatchGenerator.php b/src/Populate/BatchGenerator.php
index dead7dc..bfa6ab5 100644
--- a/src/Populate/BatchGenerator.php
+++ b/src/Populate/BatchGenerator.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Populate;
 
 /**
diff --git a/src/Populate/WaitFor/WaitForDatabaseService.php b/src/Populate/WaitFor/WaitForDatabaseService.php
index 04bb592..1ad279a 100644
--- a/src/Populate/WaitFor/WaitForDatabaseService.php
+++ b/src/Populate/WaitFor/WaitForDatabaseService.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Populate\WaitFor;
 
 use Doctrine\ORM\EntityManagerInterface;
diff --git a/src/Populate/WaitFor/WaitForInterface.php b/src/Populate/WaitFor/WaitForInterface.php
index fd9e6c6..9a6e341 100644
--- a/src/Populate/WaitFor/WaitForInterface.php
+++ b/src/Populate/WaitFor/WaitForInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Populate\WaitFor;
 
 use Symfony\Component\DependencyInjection\Attribute\AutoconfigureTag;
diff --git a/src/Populate/WaitFor/WaitForTypesenseService.php b/src/Populate/WaitFor/WaitForTypesenseService.php
index ad2d542..16ad753 100644
--- a/src/Populate/WaitFor/WaitForTypesenseService.php
+++ b/src/Populate/WaitFor/WaitForTypesenseService.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Populate\WaitFor;
 
 use Biblioverse\TypesenseBundle\Client\ClientInterface;
diff --git a/src/Query/SearchQuery.php b/src/Query/SearchQuery.php
index 4bd7fba..0c2324a 100644
--- a/src/Query/SearchQuery.php
+++ b/src/Query/SearchQuery.php
@@ -128,7 +128,7 @@ private function convertArray(mixed $values, callable $convert, ?string $classNa
             }
         }
 
-        return $values === [] ? null : implode(',', array_map($convert, $values));
+        return $values === [] ? null : implode(',', array_map($convert, $values)); // @phpstan-ignore argument.type
     }
 
     public function toArray(): array
diff --git a/src/Query/SearchQueryInterface.php b/src/Query/SearchQueryInterface.php
index c742ca7..47fe648 100644
--- a/src/Query/SearchQueryInterface.php
+++ b/src/Query/SearchQueryInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Query;
 
 interface SearchQueryInterface
diff --git a/src/Query/VectorQuery.php b/src/Query/VectorQuery.php
index 9d3ef8a..8654637 100644
--- a/src/Query/VectorQuery.php
+++ b/src/Query/VectorQuery.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Query;
 
 class VectorQuery implements VectorQueryInterface
diff --git a/src/Query/VectorQueryInterface.php b/src/Query/VectorQueryInterface.php
index fed7112..cb023e7 100644
--- a/src/Query/VectorQueryInterface.php
+++ b/src/Query/VectorQueryInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Query;
 
 interface VectorQueryInterface extends \Stringable
diff --git a/src/Query/VoiceQueryInterface.php b/src/Query/VoiceQueryInterface.php
index c137dfe..b1c18d7 100644
--- a/src/Query/VoiceQueryInterface.php
+++ b/src/Query/VoiceQueryInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Query;
 
 interface VoiceQueryInterface extends \Stringable
diff --git a/src/Search/Hydrate/HydrateRepositoryInterface.php b/src/Search/Hydrate/HydrateRepositoryInterface.php
index b55d948..2b9304f 100644
--- a/src/Search/Hydrate/HydrateRepositoryInterface.php
+++ b/src/Search/Hydrate/HydrateRepositoryInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Search\Hydrate;
 
 use Doctrine\Common\Collections\Collection;
diff --git a/src/Search/Hydrate/HydrateSearchResultInterface.php b/src/Search/Hydrate/HydrateSearchResultInterface.php
index f1eec13..1742cca 100644
--- a/src/Search/Hydrate/HydrateSearchResultInterface.php
+++ b/src/Search/Hydrate/HydrateSearchResultInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Search\Hydrate;
 
 use Biblioverse\TypesenseBundle\Search\Results\SearchResults;
diff --git a/src/Search/SearchCollectionInterface.php b/src/Search/SearchCollectionInterface.php
index 94f8dc2..9fda270 100644
--- a/src/Search/SearchCollectionInterface.php
+++ b/src/Search/SearchCollectionInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Search;
 
 use Biblioverse\TypesenseBundle\Exception\SearchException;
diff --git a/src/Search/SearchInterface.php b/src/Search/SearchInterface.php
index 2a701f9..32bc890 100644
--- a/src/Search/SearchInterface.php
+++ b/src/Search/SearchInterface.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Search;
 
 use Biblioverse\TypesenseBundle\Exception\SearchException;
diff --git a/src/Type/DataTypeEnum.php b/src/Type/DataTypeEnum.php
index 906caff..d946f95 100644
--- a/src/Type/DataTypeEnum.php
+++ b/src/Type/DataTypeEnum.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Type;
 
 enum DataTypeEnum: string
diff --git a/src/Type/FacetStrategyEnum.php b/src/Type/FacetStrategyEnum.php
index 6d93f34..825beea 100644
--- a/src/Type/FacetStrategyEnum.php
+++ b/src/Type/FacetStrategyEnum.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Type;
 
 enum FacetStrategyEnum: string
diff --git a/src/Type/InfixEnum.php b/src/Type/InfixEnum.php
index f82a280..1d72096 100644
--- a/src/Type/InfixEnum.php
+++ b/src/Type/InfixEnum.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Type;
 
 enum InfixEnum: string
diff --git a/tests/Client/ServiceWithClient.php b/tests/Client/ServiceWithClient.php
index cc3a423..899ef68 100644
--- a/tests/Client/ServiceWithClient.php
+++ b/tests/Client/ServiceWithClient.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Client;
 
 use Biblioverse\TypesenseBundle\Client\ClientInterface;
diff --git a/tests/DataFixtures/ProductFixtures.php b/tests/DataFixtures/ProductFixtures.php
index baad420..6d2fe6c 100644
--- a/tests/DataFixtures/ProductFixtures.php
+++ b/tests/DataFixtures/ProductFixtures.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\DataFixtures;
 
 use Biblioverse\TypesenseBundle\Tests\Entity\Product;
diff --git a/tests/Mapper/Converter/Exception/ValueConversionExceptionTest.php b/tests/Mapper/Converter/Exception/ValueConversionExceptionTest.php
index 90620a7..8bfecc8 100644
--- a/tests/Mapper/Converter/Exception/ValueConversionExceptionTest.php
+++ b/tests/Mapper/Converter/Exception/ValueConversionExceptionTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper\Converter\Exception;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueConversionException;
diff --git a/tests/Mapper/Converter/Exception/ValueExtractorExceptionTest.php b/tests/Mapper/Converter/Exception/ValueExtractorExceptionTest.php
index 3d4a340..01b0dae 100644
--- a/tests/Mapper/Converter/Exception/ValueExtractorExceptionTest.php
+++ b/tests/Mapper/Converter/Exception/ValueExtractorExceptionTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper\Converter\Exception;
 
 use Biblioverse\TypesenseBundle\Mapper\Converter\Exception\ValueExtractorException;
diff --git a/tests/Mapper/Converter/TestBackedEnum.php b/tests/Mapper/Converter/TestBackedEnum.php
index c972b6f..096def8 100644
--- a/tests/Mapper/Converter/TestBackedEnum.php
+++ b/tests/Mapper/Converter/TestBackedEnum.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper\Converter;
 
 enum TestBackedEnum: string
diff --git a/tests/Mapper/Converter/TestUnitEnum.php b/tests/Mapper/Converter/TestUnitEnum.php
index fcaa1ce..dea3081 100644
--- a/tests/Mapper/Converter/TestUnitEnum.php
+++ b/tests/Mapper/Converter/TestUnitEnum.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper\Converter;
 
 enum TestUnitEnum
diff --git a/tests/Mapper/EntityIdentifierTest.php b/tests/Mapper/EntityIdentifierTest.php
index ae5f489..d1ae363 100644
--- a/tests/Mapper/EntityIdentifierTest.php
+++ b/tests/Mapper/EntityIdentifierTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper;
 
 use Biblioverse\TypesenseBundle\Mapper\Entity\Identifier\EntityIdentifier;
diff --git a/tests/Mapper/Metadata/MetadataMappingTest.php b/tests/Mapper/Metadata/MetadataMappingTest.php
index d8509e1..fe4319a 100644
--- a/tests/Mapper/Metadata/MetadataMappingTest.php
+++ b/tests/Mapper/Metadata/MetadataMappingTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper\Metadata;
 
 use Biblioverse\TypesenseBundle\Mapper\Metadata\MetadataMapping;
diff --git a/tests/Mapper/MyInvalidMapper.php b/tests/Mapper/MyInvalidMapper.php
index 9574f38..086e78e 100644
--- a/tests/Mapper/MyInvalidMapper.php
+++ b/tests/Mapper/MyInvalidMapper.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper;
 
 class MyInvalidMapper
diff --git a/tests/Mapper/ProductDataGenerator.php b/tests/Mapper/ProductDataGenerator.php
index 475dd7b..f677f86 100644
--- a/tests/Mapper/ProductDataGenerator.php
+++ b/tests/Mapper/ProductDataGenerator.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper;
 
 use Biblioverse\TypesenseBundle\Mapper\Entity\AbstractEntityDataGenerator;
diff --git a/tests/Mapper/ProductMapper.php b/tests/Mapper/ProductMapper.php
index c539fe4..461af2a 100644
--- a/tests/Mapper/ProductMapper.php
+++ b/tests/Mapper/ProductMapper.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapper;
 
 use Biblioverse\TypesenseBundle\Mapper\Entity\AbstractEntityDataGenerator;
diff --git a/tests/Mapping/MappingTest.php b/tests/Mapping/MappingTest.php
index d027605..9618c1a 100644
--- a/tests/Mapping/MappingTest.php
+++ b/tests/Mapping/MappingTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Mapping;
 
 use Biblioverse\TypesenseBundle\Mapper\Fields\FieldMapping;
diff --git a/tests/Query/VectorQueryTest.php b/tests/Query/VectorQueryTest.php
index af4e1f5..ebe74ed 100644
--- a/tests/Query/VectorQueryTest.php
+++ b/tests/Query/VectorQueryTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Query;
 
 use Biblioverse\TypesenseBundle\Query\VectorQuery;
diff --git a/tests/Repository/ProductRepository.php b/tests/Repository/ProductRepository.php
index 2b50a7e..16be657 100644
--- a/tests/Repository/ProductRepository.php
+++ b/tests/Repository/ProductRepository.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Repository;
 
 use Biblioverse\TypesenseBundle\Tests\Entity\Product;
diff --git a/tests/Search/SearchResultHydratedTest.php b/tests/Search/SearchResultHydratedTest.php
index 3ba97b2..d3804b9 100644
--- a/tests/Search/SearchResultHydratedTest.php
+++ b/tests/Search/SearchResultHydratedTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Biblioverse\TypesenseBundle\Tests\Search;
 
 use Biblioverse\TypesenseBundle\Search\Results\SearchResults;
diff --git a/tests/TestKernel.php b/tests/TestKernel.php
index 0039a76..15497cf 100644
--- a/tests/TestKernel.php
+++ b/tests/TestKernel.php
@@ -12,6 +12,7 @@
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpKernel\Bundle\BundleInterface;
 use Symfony\Component\HttpKernel\Kernel;
+use Symfony\Component\VarExporter\ProxyHelper;
 
 class TestKernel extends Kernel
 {
@@ -96,14 +97,13 @@ public function shutdown(): void
 
     protected function build(ContainerBuilder $containerBuilder): void
     {
-        // Add with_constructor_extractor to remove deprecation (version >=7)
-        // The constant hack is just for rector to not consider this branch as "Always true" and remove it
-        if (constant(Kernel::class.'::VERSION_ID') < 70000) {
-            return;
+        // symfony/var-exporter v8 removed ProxyHelper::generateLazyGhost(); on
+        // PHP 8.4+ Doctrine can fall back to native lazy objects instead.
+        if (\PHP_VERSION_ID >= 80400 && !method_exists(ProxyHelper::class, 'generateLazyGhost')) { // @phpstan-ignore-line
+            $containerBuilder->prependExtensionConfig('doctrine', [
+                'orm' => ['enable_native_lazy_objects' => true],
+            ]);
         }
-        $containerBuilder->prependExtensionConfig('framework', [
-            'property_info' => ['with_constructor_extractor' => false],
-        ]);
     }
 
     private function clearCache(): void
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 9089622..bbbba61 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 use Symfony\Component\ErrorHandler\ErrorHandler;
 
 require_once __DIR__.'/../vendor/autoload.php';