diff --git a/src/PostgresLink.php b/src/PostgresLink.php
index e61f5be..4c084f1 100644
--- a/src/PostgresLink.php
+++ b/src/PostgresLink.php
@@ -10,7 +10,7 @@
 /**
  * @extends Link<PostgresResult, PostgresStatement, PostgresTransaction>
  */
-interface PostgresLink extends Link
+interface PostgresLink extends Link, PostgresExecutor
 {
     /**
      * @param non-empty-string $channel Channel name.