diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/BookController.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/BookController.kt
index 43753a4c3..74260eae5 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/BookController.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/BookController.kt
@@ -13,6 +13,9 @@ import org.gotson.komga.domain.service.AsyncOrchestrator
 import org.gotson.komga.domain.service.BookLifecycle
 import org.gotson.komga.infrastructure.image.ImageType
 import org.gotson.komga.infrastructure.security.KomgaPrincipal
+import org.gotson.komga.interfaces.rest.dto.BookDto
+import org.gotson.komga.interfaces.rest.dto.PageDto
+import org.gotson.komga.interfaces.rest.dto.toDto
 import org.springframework.data.domain.Page
 import org.springframework.data.domain.PageRequest
 import org.springframework.data.domain.Pageable
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/SeriesController.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/SeriesController.kt
index d49f63bb9..04bd86a6d 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/SeriesController.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/SeriesController.kt
@@ -10,6 +10,9 @@ import org.gotson.komga.domain.persistence.LibraryRepository
 import org.gotson.komga.domain.persistence.SeriesRepository
 import org.gotson.komga.domain.service.AsyncOrchestrator
 import org.gotson.komga.infrastructure.security.KomgaPrincipal
+import org.gotson.komga.interfaces.rest.dto.BookDto
+import org.gotson.komga.interfaces.rest.dto.SeriesDto
+import org.gotson.komga.interfaces.rest.dto.toDto
 import org.springframework.data.domain.Page
 import org.springframework.data.domain.PageRequest
 import org.springframework.data.domain.Pageable
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/Dto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/BookDto.kt
similarity index 55%
rename from komga/src/main/kotlin/org/gotson/komga/interfaces/rest/Dto.kt
rename to komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/BookDto.kt
index 9c9bdcfff..2f91d9f59 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/Dto.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/BookDto.kt
@@ -1,37 +1,9 @@
-package org.gotson.komga.interfaces.rest
+package org.gotson.komga.interfaces.rest.dto
 
 import com.fasterxml.jackson.annotation.JsonFormat
 import org.apache.commons.io.FilenameUtils
 import org.gotson.komga.domain.model.Book
-import org.gotson.komga.domain.model.Series
 import java.time.LocalDateTime
-import java.time.ZoneId
-import java.time.ZoneOffset
-
-data class SeriesDto(
-  val id: Long,
-  val libraryId: Long,
-  val name: String,
-  val url: String,
-  @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
-  val created: LocalDateTime?,
-  @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
-  val lastModified: LocalDateTime?,
-  @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
-  val fileLastModified: LocalDateTime,
-  val booksCount: Int
-)
-
-fun Series.toDto(includeUrl: Boolean) = SeriesDto(
-  id = id,
-  libraryId = library.id,
-  name = name,
-  url = if (includeUrl) url.toURI().path else "",
-  created = createdDate?.toUTC(),
-  lastModified = lastModifiedDate?.toUTC(),
-  fileLastModified = fileLastModified.toUTC(),
-  booksCount = books.size
-)
 
 data class BookDto(
   val id: Long,
@@ -76,12 +48,3 @@ fun Book.toDto(includeFullUrl: Boolean) =
       comment = media.comment ?: ""
     )
   )
-
-data class PageDto(
-  val number: Int,
-  val fileName: String,
-  val mediaType: String
-)
-
-fun LocalDateTime.toUTC(): LocalDateTime =
-  atZone(ZoneId.systemDefault()).withZoneSameInstant(ZoneOffset.UTC).toLocalDateTime()
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/PageDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/PageDto.kt
new file mode 100644
index 000000000..942d38ab6
--- /dev/null
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/PageDto.kt
@@ -0,0 +1,7 @@
+package org.gotson.komga.interfaces.rest.dto
+
+data class PageDto(
+  val number: Int,
+  val fileName: String,
+  val mediaType: String
+)
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt
new file mode 100644
index 000000000..b9cae2147
--- /dev/null
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt
@@ -0,0 +1,30 @@
+package org.gotson.komga.interfaces.rest.dto
+
+import com.fasterxml.jackson.annotation.JsonFormat
+import org.gotson.komga.domain.model.Series
+import java.time.LocalDateTime
+
+data class SeriesDto(
+  val id: Long,
+  val libraryId: Long,
+  val name: String,
+  val url: String,
+  @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
+  val created: LocalDateTime?,
+  @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
+  val lastModified: LocalDateTime?,
+  @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
+  val fileLastModified: LocalDateTime,
+  val booksCount: Int
+)
+
+fun Series.toDto(includeUrl: Boolean) = SeriesDto(
+  id = id,
+  libraryId = library.id,
+  name = name,
+  url = if (includeUrl) url.toURI().path else "",
+  created = createdDate?.toUTC(),
+  lastModified = lastModifiedDate?.toUTC(),
+  fileLastModified = fileLastModified.toUTC(),
+  booksCount = books.size
+)
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/Utils.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/Utils.kt
new file mode 100644
index 000000000..c8a506676
--- /dev/null
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/Utils.kt
@@ -0,0 +1,8 @@
+package org.gotson.komga.interfaces.rest.dto
+
+import java.time.LocalDateTime
+import java.time.ZoneId
+import java.time.ZoneOffset
+
+fun LocalDateTime.toUTC(): LocalDateTime =
+  atZone(ZoneId.systemDefault()).withZoneSameInstant(ZoneOffset.UTC).toLocalDateTime()