diff --git a/src/DateRules/NotDateRule.php b/src/DateRules/NotDateRule.php
index 38458a6..229aac0 100644
--- a/src/DateRules/NotDateRule.php
+++ b/src/DateRules/NotDateRule.php
@@ -5,6 +5,7 @@
 use Carbon\Carbon;
 
 use Netflex\RuleBuilder\Contracts\Traversable;
+use Netflex\RuleBuilder\ExplainerNode;
 
 class NotDateRule extends DateRule implements Traversable
 {