diff --git a/backend/src/main/java/com/edufocus/edufocus/quiz/entity/QuizSet.java b/backend/src/main/java/com/edufocus/edufocus/quiz/entity/QuizSet.java
index 90d13ac..19c7e35 100644
--- a/backend/src/main/java/com/edufocus/edufocus/quiz/entity/QuizSet.java
+++ b/backend/src/main/java/com/edufocus/edufocus/quiz/entity/QuizSet.java
@@ -28,6 +28,9 @@ public class QuizSet {
     @Column
     private String title;
 
+    @Column
+    private boolean tested;
+
     @OneToMany(mappedBy = "quizSet", orphanRemoval = true)
     @JsonManagedReference
     private List<Quiz> quizzes;
diff --git a/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetService.java b/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetService.java
index a8c3fa0..97e75d2 100644
--- a/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetService.java
+++ b/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetService.java
@@ -21,4 +21,6 @@ public interface QuizSetService {
     QuizSetResponse findQuizSetResponse(long quizSetId);
 
     List<MyQuizSetResponse> findMyQuizSetResponses(long userId);
+
+    void updateQuizSetTested(long quizSetId, long userId, boolean tested);
 }
diff --git a/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetServiceImpl.java b/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetServiceImpl.java
index b3b2b59..a636f0c 100644
--- a/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetServiceImpl.java
+++ b/backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetServiceImpl.java
@@ -3,6 +3,7 @@ package com.edufocus.edufocus.quiz.service;
 import com.edufocus.edufocus.quiz.entity.*;
 import com.edufocus.edufocus.quiz.repository.QuizSetRepository;
 import com.edufocus.edufocus.user.model.entity.vo.User;
+import com.edufocus.edufocus.user.model.exception.UnAuthorizedException;
 import com.edufocus.edufocus.user.model.repository.UserRepository;
 import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
@@ -97,4 +98,18 @@ public class QuizSetServiceImpl implements QuizSetService {
 
     }
 
+    @Override
+    public void updateQuizSetTested(long quizSetId, long userId, boolean tested) {
+        QuizSet quizSet = quizSetRepository.findById(quizSetId).orElseThrow(NoSuchElementException::new);
+
+        User user = userRepository.findById(userId).orElseThrow(NoSuchElementException::new);
+
+        if (quizSet.getUser().getId() != user.getId()) {
+            throw new UnAuthorizedException();
+        }
+
+        quizSet.setTested(true);
+        quizSetRepository.save(quizSet);
+    }
+
 }