diff --git a/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeDetailResponse.java b/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeDetailResponse.java
index c9002e2..931bc06 100644
--- a/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeDetailResponse.java
+++ b/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeDetailResponse.java
@@ -15,9 +15,9 @@ public class ChallengeDetailResponse extends ChallengeResponse {
     @Schema(description = "사용자 참여 여부", example = "true")
     private boolean isParticipating;
 
-    public ChallengeDetailResponse(String title, int likeCount, List<ChallengeCategory> categories, String type,
+    public ChallengeDetailResponse(long id, String title, int likeCount, List<ChallengeCategory> categories, String type,
                                    String description, double successRate, int successCount, int participantCount, boolean isParticipating) {
-        super(title, likeCount, categories, type, description, successRate, successCount, participantCount, null, null, null);
+        super(id, title, likeCount, categories, type, description, successRate, successCount, participantCount, null, null, null);
         this.isParticipating = isParticipating;
     }
 }
diff --git a/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeResponse.java b/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeResponse.java
index 17a0b69..79b1821 100644
--- a/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeResponse.java
+++ b/src/main/java/com/fledge/fledgeserver/challenge/dto/response/ChallengeResponse.java
@@ -15,6 +15,9 @@
 @Schema(description = "챌린지 응답 DTO")
 public class ChallengeResponse {
 
+    @Schema(description = "챌린지 id", example = "1")
+    private final long id;
+
     @Schema(description = "챌린지 제목", example = "챌린지 타이틀")
     private final String title;
 
diff --git a/src/main/java/com/fledge/fledgeserver/challenge/service/ChallengeService.java b/src/main/java/com/fledge/fledgeserver/challenge/service/ChallengeService.java
index b278e1b..ae3e802 100644
--- a/src/main/java/com/fledge/fledgeserver/challenge/service/ChallengeService.java
+++ b/src/main/java/com/fledge/fledgeserver/challenge/service/ChallengeService.java
@@ -53,6 +53,7 @@ public ChallengeDetailResponse getChallengeById(Long challengeId) {
         boolean isParticipating = SecurityUtils.isAuthenticated() && challengeParticipationRepository.existsByMemberIdAndChallengeId(SecurityUtils.getCurrentUserId(), challengeId);
 
         return new ChallengeDetailResponse(
+                challenge.getId(),
                 challenge.getTitle(),
                 challenge.getLikeCount(),
                 challenge.getCategories(),
@@ -107,6 +108,7 @@ private Page<ChallengeResponse> getChallengesByTypeAndCategories(int page, int s
 
     private ChallengeResponse createChallengeResponse(Challenge challenge) {
         return new ChallengeResponse(
+                challenge.getId(),
                 challenge.getTitle(),
                 challenge.getLikeCount(),
                 challenge.getCategories(),
@@ -121,6 +123,7 @@ private ChallengeResponse createChallengeResponse(Challenge challenge) {
 
     private ChallengeResponse createChallengeResponseWithSupport(Challenge challenge) {
         return new ChallengeResponse(
+                challenge.getId(),
                 challenge.getTitle(),
                 challenge.getLikeCount(),
                 challenge.getCategories(),