diff --git a/Services/JWSProvider/LcobucciJWSProvider.php b/Services/JWSProvider/LcobucciJWSProvider.php
index b3394743..fa7bfca3 100644
--- a/Services/JWSProvider/LcobucciJWSProvider.php
+++ b/Services/JWSProvider/LcobucciJWSProvider.php
@@ -103,7 +103,7 @@ public function create(array $payload, array $header = [])
             $jws = $jws->withHeader($k, $v);
         }
 
-        $now = time();
+        $now = $this->clock->now()->getTimestamp();
 
         $issuedAt = $payload['iat'] ?? $now;
         unset($payload['iat']);