diff --git a/src/Service/ConnectionPreparer.php b/src/Service/ConnectionPreparer.php
index 65701c4..624915e 100644
--- a/src/Service/ConnectionPreparer.php
+++ b/src/Service/ConnectionPreparer.php
@@ -15,7 +15,7 @@
 
 use Doctrine\DBAL\Connection;
 
-final class ConnectionPreparer implements ConnectionPreparerInterface
+class ConnectionPreparer implements ConnectionPreparerInterface
 {
     public function prepareConnection(Connection $connection): void
     {
diff --git a/src/Service/DefaultConnectionPreparer.php b/src/Service/DefaultConnectionPreparer.php
new file mode 100644
index 0000000..711036a
--- /dev/null
+++ b/src/Service/DefaultConnectionPreparer.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Aeliot\Bundle\DoctrineEncrypted\Service;
+
+/**
+ * @deprecated use {@see ConnectionPreparer }
+ */
+final class DefaultConnectionPreparer extends ConnectionPreparer
+{
+
+}
diff --git a/src/Service/DefaultCryptographicSQLFunctionNameProvider.php b/src/Service/DefaultCryptographicSQLFunctionNameProvider.php
new file mode 100644
index 0000000..72048e8
--- /dev/null
+++ b/src/Service/DefaultCryptographicSQLFunctionNameProvider.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Aeliot\Bundle\DoctrineEncrypted\Service;
+
+/**
+ * @deprecated use {@see CryptographicSQLFunctionNameProvider }
+ */
+final class DefaultCryptographicSQLFunctionNameProvider extends CryptographicSQLFunctionNameProvider
+{
+
+}
diff --git a/src/Service/DefaultEncryptionAvailabilityChecker.php b/src/Service/DefaultEncryptionAvailabilityChecker.php
new file mode 100644
index 0000000..2ff0d77
--- /dev/null
+++ b/src/Service/DefaultEncryptionAvailabilityChecker.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Aeliot\Bundle\DoctrineEncrypted\Service;
+
+/**
+ * @deprecated use {@see EncryptionAvailabilityChecker }
+ */
+final class DefaultEncryptionAvailabilityChecker extends EncryptionAvailabilityChecker
+{
+
+}
diff --git a/src/Service/DefaultSecretProvider.php b/src/Service/DefaultSecretProvider.php
new file mode 100644
index 0000000..b467e8e
--- /dev/null
+++ b/src/Service/DefaultSecretProvider.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Aeliot\Bundle\DoctrineEncrypted\Service;
+
+/**
+ * @deprecated use {@see SecretProvider }
+ */
+final class DefaultSecretProvider extends SecretProvider
+{
+
+}
diff --git a/src/Service/EncryptionAvailabilityChecker.php b/src/Service/EncryptionAvailabilityChecker.php
index 732f822..57971bc 100644
--- a/src/Service/EncryptionAvailabilityChecker.php
+++ b/src/Service/EncryptionAvailabilityChecker.php
@@ -15,7 +15,7 @@
 
 use Doctrine\ORM\EntityManager;
 
-final class EncryptionAvailabilityChecker implements EncryptionAvailabilityCheckerInterface
+class EncryptionAvailabilityChecker implements EncryptionAvailabilityCheckerInterface
 {
     public function isEncryptionAvailable(EntityManager $manager, bool $isGoingEncrypt): bool
     {
diff --git a/src/Service/SecretProvider.php b/src/Service/SecretProvider.php
index 936d9fc..50b443f 100644
--- a/src/Service/SecretProvider.php
+++ b/src/Service/SecretProvider.php
@@ -15,7 +15,7 @@
 
 use Doctrine\DBAL\Connection;
 
-final class SecretProvider implements SecretProviderInterface
+class SecretProvider implements SecretProviderInterface
 {
     public function getKey(string|Connection $connection): string
     {