diff --git a/src/PhpSpreadsheet/Cell/CellDataValidator.php b/src/PhpSpreadsheet/Cell/CellDataValidator.php
index 5472a45a66..e93a749ea5 100644
--- a/src/PhpSpreadsheet/Cell/CellDataValidator.php
+++ b/src/PhpSpreadsheet/Cell/CellDataValidator.php
@@ -4,6 +4,7 @@
 
 use PhpOffice\PhpSpreadsheet\Calculation;
 use PhpOffice\PhpSpreadsheet\Calculation\Functions;
+use PhpOffice\PhpSpreadsheet\Exception;
 
 class CellDataValidator
 {