diff --git a/backend/src/main/java/com/recipeapp/shopping/ShoppingListRepository.java b/backend/src/main/java/com/recipeapp/shopping/ShoppingListRepository.java
index bf2382c..3df4bb2 100644
--- a/backend/src/main/java/com/recipeapp/shopping/ShoppingListRepository.java
+++ b/backend/src/main/java/com/recipeapp/shopping/ShoppingListRepository.java
@@ -3,7 +3,10 @@ package com.recipeapp.shopping;
 import com.recipeapp.shopping.entity.ShoppingList;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.time.LocalDate;
+import java.util.Optional;
 import java.util.UUID;
 
 public interface ShoppingListRepository extends JpaRepository<ShoppingList, UUID> {
+    Optional<ShoppingList> findByHouseholdIdAndWeekPlanWeekStart(UUID householdId, LocalDate weekStart);
 }