diff --git a/src/Grant/AuthCodeGrant.php b/src/Grant/AuthCodeGrant.php
index e1b2b981..a11828d7 100644
--- a/src/Grant/AuthCodeGrant.php
+++ b/src/Grant/AuthCodeGrant.php
@@ -15,6 +15,7 @@ use Exception;
 use League\OAuth2\Server\CodeChallengeVerifiers\CodeChallengeVerifierInterface;
 use League\OAuth2\Server\CodeChallengeVerifiers\PlainVerifier;
 use League\OAuth2\Server\CodeChallengeVerifiers\S256Verifier;
+use League\OAuth2\Server\Entities\ClientEntityInterface;
 use League\OAuth2\Server\Entities\UserEntityInterface;
 use League\OAuth2\Server\Exception\OAuthServerException;
 use League\OAuth2\Server\Repositories\AuthCodeRepositoryInterface;