diff --git a/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAnswerAttachmentService.java b/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAnswerAttachmentService.java
index 378d1d02..aaf08cbb 100644
--- a/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAnswerAttachmentService.java
+++ b/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAnswerAttachmentService.java
@@ -64,21 +64,21 @@ public void updateAttachment(
 
     private InquiryDetailResponse.AttachmentResponse createAttachResponse(
             InquiryAnswerAttachmentEntity attachment) {
-        String preSignedUrl = s3Service.getPreSignedUrl(attachment.getS3Key());
+        String publicUrl = s3Service.getPublicUrl(attachment.getS3Key());
 
         return new InquiryDetailResponse.AttachmentResponse(
                 attachment.getFileName(),
-                preSignedUrl
+                publicUrl
         );
     }
 
     private InquiryDetailResponse.AttachmentDetailResponse createAttachDetailResponse(
             InquiryAnswerAttachmentEntity attachment) {
-        String preSignedUrl = s3Service.getPreSignedUrl(attachment.getS3Key());
+        String publicUrl = s3Service.getPublicUrl(attachment.getS3Key());
 
         return new InquiryDetailResponse.AttachmentDetailResponse(
                 attachment.getFileName(),
-                preSignedUrl,
+                publicUrl,
                 attachment.getS3Key()
         );
     }
diff --git a/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAttachmentService.java b/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAttachmentService.java
index 7939d7d9..c59c262e 100644
--- a/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAttachmentService.java
+++ b/src/main/java/life/mosu/mosuserver/application/inquiry/InquiryAttachmentService.java
@@ -60,11 +60,11 @@ public List<InquiryDetailResponse.AttachmentDetailResponse> toAttachmentResponse
 
     private InquiryDetailResponse.AttachmentDetailResponse createAttachDetailResponse(
             InquiryAttachmentJpaEntity attachment) {
-        String preSignedUrl = s3Service.getPreSignedUrl(attachment.getS3Key());
+        String publicUrl = s3Service.getPublicUrl(attachment.getS3Key());
 
         return new InquiryDetailResponse.AttachmentDetailResponse(
                 attachment.getFileName(),
-                preSignedUrl,
+                publicUrl,
                 attachment.getS3Key()
         );
     }
diff --git a/src/main/java/life/mosu/mosuserver/domain/file/Folder.java b/src/main/java/life/mosu/mosuserver/domain/file/Folder.java
index a06927f8..c5bbe74d 100644
--- a/src/main/java/life/mosu/mosuserver/domain/file/Folder.java
+++ b/src/main/java/life/mosu/mosuserver/domain/file/Folder.java
@@ -15,8 +15,8 @@ public enum Folder {
     NOTICE("notice", PUBLIC),
 
     TEMP("temp", PRIVATE),
-    INQUIRY("inquiry", PRIVATE),
-    INQUIRY_ANSWER("inquiryAnswer", PRIVATE),
+    INQUIRY("inquiry", PUBLIC),
+    INQUIRY_ANSWER("inquiryAnswer", PUBLIC),
     ADMISSION_TICKET_IMAGE("admissionTicket/images", PRIVATE),
     ADMISSION_TICKET_PDF("admissionTicket/pdfs", PRIVATE);
 
diff --git a/src/main/java/life/mosu/mosuserver/presentation/common/FileRequest.java b/src/main/java/life/mosu/mosuserver/presentation/common/FileRequest.java
index 8b23ebbb..1dc1dfd5 100644
--- a/src/main/java/life/mosu/mosuserver/presentation/common/FileRequest.java
+++ b/src/main/java/life/mosu/mosuserver/presentation/common/FileRequest.java
@@ -23,11 +23,11 @@ public InquiryAttachmentJpaEntity toInquiryAttachmentEntity(Long inquiryId) {
         return InquiryAttachmentJpaEntity.builder()
                 .fileName(fileName)
                 .s3Key(s3Key)
-                .visibility(Visibility.PRIVATE)
+                .visibility(Visibility.PUBLIC)
                 .inquiryId(inquiryId)
                 .build();
     }
-    
+
     public NoticeAttachmentJpaEntity toNoticeAttachmentEntity(Long noticeId) {
         return NoticeAttachmentJpaEntity.builder()
                 .fileName(fileName)
@@ -50,7 +50,7 @@ public InquiryAnswerAttachmentEntity toInquiryAnswerAttachmentEntity(Long inquir
         return InquiryAnswerAttachmentEntity.builder()
                 .fileName(fileName)
                 .s3Key(s3Key)
-                .visibility(Visibility.PRIVATE)
+                .visibility(Visibility.PUBLIC)
                 .inquiryAnswerId(inquiryAnswerId)
                 .build();
     }