diff --git a/src/Adapter/Oidc.php b/src/Adapter/Oidc.php
index 2a42f55..7fa3e16 100644
--- a/src/Adapter/Oidc.php
+++ b/src/Adapter/Oidc.php
@@ -44,6 +44,13 @@ class Oidc extends AbstractAdapter
      */
     protected $logger;
 
+    /**
+     * Access token.
+     *
+     * @var string
+     */
+    private $access_token;
+
     /**
      * Init adapter.
      *
@@ -239,6 +246,7 @@ protected function verifyToken(string $token): ?array
             $this->logger->debug('successfully verified oauth2 access token via authorization server', [
                'category' => get_class($this),
             ]);
+            $this->access_token = $token;
 
             return $attributes;
         }