diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt
index 9d591be76..51a2b6046 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt
@@ -2,6 +2,7 @@ package org.gotson.komga.domain.model
 
 import com.fasterxml.jackson.annotation.JsonManagedReference
 import java.net.URL
+import java.time.LocalDateTime
 import javax.persistence.Entity
 import javax.persistence.FetchType
 import javax.persistence.GeneratedValue
@@ -16,6 +17,7 @@ data class Book(
 
     val name: String,
     val url: URL,
+    val updated: LocalDateTime,
 
     @ManyToOne(fetch = FetchType.EAGER)
     @JsonManagedReference
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/Serie.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/Serie.kt
index c0c3b622b..a4ecd5633 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/model/Serie.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/Serie.kt
@@ -2,6 +2,7 @@ package org.gotson.komga.domain.model
 
 import com.fasterxml.jackson.annotation.JsonBackReference
 import java.net.URL
+import java.time.LocalDateTime
 import javax.persistence.CascadeType
 import javax.persistence.Entity
 import javax.persistence.FetchType
@@ -17,6 +18,7 @@ data class Serie(
 
     val name: String,
     val url: URL,
+    val updated: LocalDateTime,
 
     @OneToMany(cascade = [CascadeType.ALL], fetch = FetchType.EAGER, mappedBy = "serie")
     @JsonBackReference
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
index af1c0309a..6a22435f5 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
@@ -7,6 +7,10 @@ import org.gotson.komga.domain.model.Serie
 import org.springframework.stereotype.Service
 import java.nio.file.Files
 import java.nio.file.Path
+import java.nio.file.attribute.BasicFileAttributes
+import java.nio.file.attribute.FileTime
+import java.time.LocalDateTime
+import java.time.ZoneId
 import kotlin.streams.asSequence
 import kotlin.streams.toList
 
@@ -31,17 +35,27 @@ class FileSystemScanner(
               .map {
                 Book(
                     name = FilenameUtils.getBaseName(it.fileName.toString()),
-                    url = it.toUri().toURL()
+                    url = it.toUri().toURL(),
+                    updated = it.getUpdatedTime()
                 )
               }.toList()
           if (books.isNullOrEmpty()) return@mapNotNull null
           Serie(
               name = dir.fileName.toString(),
               url = dir.toUri().toURL(),
+              updated = dir.getUpdatedTime(),
               books = books
           ).also { serie ->
             serie.books.forEach { it.serie = serie }
           }
         }.toList()
   }
-}
\ No newline at end of file
+}
+
+fun Path.getUpdatedTime() =
+    Files.readAttributes(this, BasicFileAttributes::class.java).let {
+      maxOf(it.creationTime(), it.lastModifiedTime()).toLocalDateTime()
+    }
+
+fun FileTime.toLocalDateTime() =
+    LocalDateTime.ofInstant(this.toInstant(), ZoneId.systemDefault())
\ No newline at end of file