diff --git a/src/bundle/Resources/config/two_factor_provider_google.php b/src/bundle/Resources/config/two_factor_provider_google.php
index 84fad478..c1c9bfd2 100644
--- a/src/bundle/Resources/config/two_factor_provider_google.php
+++ b/src/bundle/Resources/config/two_factor_provider_google.php
@@ -8,6 +8,7 @@
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Google\GoogleAuthenticatorTwoFactorProvider;
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Google\GoogleTotpFactory;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ReferenceConfigurator;
 use function Symfony\Component\DependencyInjection\Loader\Configurator\service;
 
 return static function (ContainerConfigurator $container): void {
@@ -18,6 +19,7 @@
                 '%scheb_two_factor.google.server_name%',
                 '%scheb_two_factor.google.issuer%',
                 '%scheb_two_factor.google.digits%',
+                (new ReferenceConfigurator('clock'))->nullOnInvalid(),
             ])
 
         ->set('scheb_two_factor.security.google_authenticator', GoogleAuthenticator::class)
diff --git a/src/bundle/Resources/config/two_factor_provider_totp.php b/src/bundle/Resources/config/two_factor_provider_totp.php
index febf34d6..44d2801d 100644
--- a/src/bundle/Resources/config/two_factor_provider_totp.php
+++ b/src/bundle/Resources/config/two_factor_provider_totp.php
@@ -8,6 +8,7 @@
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Totp\TotpAuthenticatorTwoFactorProvider;
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Totp\TotpFactory;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ReferenceConfigurator;
 use function Symfony\Component\DependencyInjection\Loader\Configurator\service;
 
 return static function (ContainerConfigurator $container): void {
@@ -19,6 +20,7 @@
                 '%scheb_two_factor.totp.server_name%',
                 '%scheb_two_factor.totp.issuer%',
                 '%scheb_two_factor.totp.parameters%',
+                (new ReferenceConfigurator('clock'))->nullOnInvalid(),
             ])
 
         ->set('scheb_two_factor.security.totp_authenticator', TotpAuthenticator::class)
diff --git a/src/google-authenticator/Security/TwoFactor/Provider/Google/GoogleTotpFactory.php b/src/google-authenticator/Security/TwoFactor/Provider/Google/GoogleTotpFactory.php
index b998fa65..1f06cceb 100644
--- a/src/google-authenticator/Security/TwoFactor/Provider/Google/GoogleTotpFactory.php
+++ b/src/google-authenticator/Security/TwoFactor/Provider/Google/GoogleTotpFactory.php
@@ -6,6 +6,7 @@
 
 use OTPHP\TOTP;
 use OTPHP\TOTPInterface;
+use Psr\Clock\ClockInterface;
 use Scheb\TwoFactorBundle\Model\Google\TwoFactorInterface;
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Exception\TwoFactorProviderLogicException;
 use function strlen;
@@ -19,6 +20,7 @@ public function __construct(
         private readonly string|null $server,
         private readonly string|null $issuer,
         private readonly int $digits,
+        private readonly ClockInterface|null $clock = null,
     ) {
     }
 
@@ -30,7 +32,7 @@ public function createTotpForUser(TwoFactorInterface $user): TOTPInterface
         }
 
         /** @psalm-suppress ArgumentTypeCoercion */
-        $totp = TOTP::create($secret, 30, 'sha1', $this->digits);
+        $totp = TOTP::create($secret, 30, 'sha1', $this->digits, clock: $this->clock);
 
         $userAndHost = $user->getGoogleAuthenticatorUsername().(null !== $this->server && $this->server ? '@'.$this->server : '');
         $totp->setLabel($userAndHost);
diff --git a/src/totp/Security/TwoFactor/Provider/Totp/TotpFactory.php b/src/totp/Security/TwoFactor/Provider/Totp/TotpFactory.php
index 252247f0..d9f3c193 100644
--- a/src/totp/Security/TwoFactor/Provider/Totp/TotpFactory.php
+++ b/src/totp/Security/TwoFactor/Provider/Totp/TotpFactory.php
@@ -6,6 +6,7 @@
 
 use OTPHP\TOTP;
 use OTPHP\TOTPInterface;
+use Psr\Clock\ClockInterface;
 use Scheb\TwoFactorBundle\Model\Totp\TwoFactorInterface;
 use Scheb\TwoFactorBundle\Security\TwoFactor\Provider\Exception\TwoFactorProviderLogicException;
 use function strlen;
@@ -22,6 +23,7 @@ public function __construct(
         private readonly string|null $server,
         private readonly string|null $issuer,
         private readonly array $customParameters,
+        private readonly ClockInterface|null $clock = null,
     ) {
     }
 
@@ -43,6 +45,7 @@ public function createTotpForUser(TwoFactorInterface $user): TOTPInterface
             $totpConfiguration->getPeriod(),
             $totpConfiguration->getAlgorithm(),
             $totpConfiguration->getDigits(),
+            clock: $this->clock,
         );
 
         $userAndHost = $user->getTotpAuthenticationUsername().(null !== $this->server && $this->server ? '@'.$this->server : '');