diff --git a/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java b/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java
index dd53c30b8..f7430eb40 100644
--- a/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java
+++ b/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java
@@ -1,6 +1,5 @@
 package wooteco.prolog.roadmap.application;
 
-import java.util.List;
 import org.hibernate.Hibernate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -8,12 +7,13 @@
 import wooteco.prolog.member.application.MemberService;
 import wooteco.prolog.member.domain.Member;
 import wooteco.prolog.roadmap.application.dto.EssayAnswerRequest;
+import wooteco.prolog.roadmap.application.dto.EssayAnswerUpdateRequest;
 import wooteco.prolog.roadmap.domain.EssayAnswer;
 import wooteco.prolog.roadmap.domain.Quiz;
 import wooteco.prolog.roadmap.domain.repository.EssayAnswerRepository;
 import wooteco.prolog.roadmap.domain.repository.QuizRepository;
 
-import javax.persistence.PersistenceContext;
+import java.util.List;
 
 @Transactional
 @Service
@@ -46,11 +46,11 @@ public Long createEssayAnswer(EssayAnswerRequest essayAnswerRequest, Long member
     }
 
     @Transactional
-    public void updateEssayAnswer(Long answerId, String answer, Long memberId) {
+    public void updateEssayAnswer(Long answerId, EssayAnswerUpdateRequest request, Long memberId) {
         EssayAnswer essayAnswer = getById(answerId);
         Member member = memberService.findById(memberId);
 
-        essayAnswer.update(answer, member);
+        essayAnswer.update(request.getAnswer(), member);
         essayAnswerRepository.save(essayAnswer);
     }
 
diff --git a/backend/src/main/java/wooteco/prolog/roadmap/ui/EssayAnswerController.java b/backend/src/main/java/wooteco/prolog/roadmap/ui/EssayAnswerController.java
index 5261095e5..bce13ff0f 100644
--- a/backend/src/main/java/wooteco/prolog/roadmap/ui/EssayAnswerController.java
+++ b/backend/src/main/java/wooteco/prolog/roadmap/ui/EssayAnswerController.java
@@ -49,10 +49,10 @@ public ResponseEntity<EssayAnswerResponse> findById(@PathVariable Long essayAnsw
     public ResponseEntity<Void> updateById(@PathVariable Long essayAnswerId,
                                            @AuthMemberPrincipal LoginMember member,
                                            @RequestBody EssayAnswerUpdateRequest request) {
-        essayAnswerService.updateEssayAnswer(essayAnswerId, request.getAnswer(), member.getId());
+        essayAnswerService.updateEssayAnswer(essayAnswerId, request, member.getId());
         return ResponseEntity.ok().build();
     }
-    
+
     @DeleteMapping("/essay-answers/{essayAnswerId}")
     public ResponseEntity<Void> deleteEssayAnswerById(@PathVariable Long essayAnswerId,
                                                       @AuthMemberPrincipal LoginMember member) {
@@ -61,7 +61,7 @@ public ResponseEntity<Void> deleteEssayAnswerById(@PathVariable Long essayAnswer
     }
 
     @GetMapping("/quizzes/{quizId}")
-    public ResponseEntity<QuizResponse> findEssayAnswerById(@PathVariable Long quizId) {
+    public ResponseEntity<QuizResponse> findQuizById(@PathVariable Long quizId) {
         return ResponseEntity.ok(quizService.findById(quizId));
     }
 
diff --git a/backend/src/test/java/wooteco/prolog/roadmap/application/EssayAnswerServiceTest.java b/backend/src/test/java/wooteco/prolog/roadmap/application/EssayAnswerServiceTest.java
index 146bfade3..5943af59f 100644
--- a/backend/src/test/java/wooteco/prolog/roadmap/application/EssayAnswerServiceTest.java
+++ b/backend/src/test/java/wooteco/prolog/roadmap/application/EssayAnswerServiceTest.java
@@ -10,6 +10,7 @@
 import wooteco.prolog.member.domain.Member;
 import wooteco.prolog.member.exception.MemberNotFoundException;
 import wooteco.prolog.roadmap.application.dto.EssayAnswerRequest;
+import wooteco.prolog.roadmap.application.dto.EssayAnswerUpdateRequest;
 import wooteco.prolog.roadmap.domain.EssayAnswer;
 import wooteco.prolog.roadmap.domain.Quiz;
 import wooteco.prolog.roadmap.domain.repository.EssayAnswerRepository;
@@ -22,10 +23,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.anyLong;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.*;
 
 @ExtendWith(MockitoExtension.class)
 class EssayAnswerServiceTest {
@@ -77,7 +75,7 @@ void updateEssayAnswer() {
             .thenReturn(new Member(null, null, null, 1L, null));
 
         //when
-        essayAnswerService.updateEssayAnswer(1L, "answer", 1L);
+        essayAnswerService.updateEssayAnswer(1L, new EssayAnswerUpdateRequest("answer"), 1L);
 
         //then
         verify(essayAnswerRepository, times(1)).save(any());