diff --git a/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/dto/TagRequest.kt b/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/dto/TagRequest.kt
index 209aeeb..cfc29d5 100644
--- a/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/dto/TagRequest.kt
+++ b/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/dto/TagRequest.kt
@@ -17,6 +17,8 @@ sealed class TagRequest {
         val id: UUID,
         val name: String,
         val colorHex: String,
-        val embeddingVector: List<Float>
+        val embeddingVector: List<Float>,
+        val createdAt: Instant,
+        val updatedAt: Instant?
     ) : TagResponse()
 }
diff --git a/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/service/TagService.kt b/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/service/TagService.kt
index dc71b94..9877173 100644
--- a/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/service/TagService.kt
+++ b/src/main/kotlin/com/wafflestudio/toyproject/memoWithTags/tag/service/TagService.kt
@@ -11,7 +11,6 @@ import com.wafflestudio.toyproject.memoWithTags.tag.persistence.TagRepository
 import com.wafflestudio.toyproject.memoWithTags.user.controller.User
 import com.wafflestudio.toyproject.memoWithTags.user.persistence.UserRepository
 import org.springframework.stereotype.Service
-import java.time.Instant
 import java.util.UUID
 
 @Service
@@ -53,7 +52,7 @@ class TagService(
         tagEntity.name = request.name
         tagEntity.colorHex = request.colorHex
         tagEntity.embeddingVector = Tag.convertEmbeddingVectorToString(request.embeddingVector)
-        tagEntity.updatedAt = Instant.now()
+        tagEntity.updatedAt = request.updatedAt
         val savedTagEntity = tagRepository.save(tagEntity)
         return Tag(
             savedTagEntity.id,