diff --git a/core/includes/Drupal/Database/Connection.php b/core/includes/Drupal/Database/Connection.php
index afe75276b1b..cfd091c3fd7 100644
--- a/core/includes/Drupal/Database/Connection.php
+++ b/core/includes/Drupal/Database/Connection.php
@@ -3,6 +3,7 @@
 namespace Drupal\Database;
 
 use PDO;
+use PDOException;
 
 /**
  * Base Database API class.
diff --git a/core/includes/Drupal/Database/DatabaseStatementPrefetch.php b/core/includes/Drupal/Database/DatabaseStatementPrefetch.php
index 5c0419aa0cc..a17b6ef117d 100644
--- a/core/includes/Drupal/Database/DatabaseStatementPrefetch.php
+++ b/core/includes/Drupal/Database/DatabaseStatementPrefetch.php
@@ -5,6 +5,7 @@ namespace Drupal\Database;
 use Drupal\Database\Connection;
 use Iterator;
 use PDO;
+use PDOException;
 
 /**
  * An implementation of DatabaseStatementInterface that prefetches all data.