diff --git a/src/main/java/earlybird/earlybird/promotion/email/repository/PromotionEmailVerificationRepository.java b/src/main/java/earlybird/earlybird/promotion/email/repository/PromotionEmailVerificationRepository.java
index c6dc6e4..6c6ee7b 100644
--- a/src/main/java/earlybird/earlybird/promotion/email/repository/PromotionEmailVerificationRepository.java
+++ b/src/main/java/earlybird/earlybird/promotion/email/repository/PromotionEmailVerificationRepository.java
@@ -6,6 +6,7 @@
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
 import java.util.Optional;
 
 public interface PromotionEmailVerificationRepository
@@ -13,6 +14,6 @@ public interface PromotionEmailVerificationRepository
 
     Optional<PromotionEmailVerification> findByPromotionUrlUuid(PromotionUrlUuid promotionUrlUuid);
 
-    Optional<PromotionEmailVerification> findByPromotionCampaignAndEmail(
+    List<PromotionEmailVerification> findByPromotionCampaignAndEmail(
             PromotionCampaign promotionCampaign, String email);
 }
diff --git a/src/main/java/earlybird/earlybird/promotion/email/service/SendPromotionEmailService.java b/src/main/java/earlybird/earlybird/promotion/email/service/SendPromotionEmailService.java
index fd9efe4..34f3010 100644
--- a/src/main/java/earlybird/earlybird/promotion/email/service/SendPromotionEmailService.java
+++ b/src/main/java/earlybird/earlybird/promotion/email/service/SendPromotionEmailService.java
@@ -40,6 +40,8 @@ public void sendVerificationEmail(SendVerificationEmailServiceRequest request) {
 
         promotionEmailVerificationRepository
                 .findByPromotionCampaignAndEmail(promotionCampaign, request.getEmail())
+                .stream()
+                .findFirst()
                 .ifPresentOrElse(
                         verification -> sendEmailIfSendBefore(verification, request),
                         () -> sendFirstEmail(promotionCampaign, request));