diff --git a/app/src/main/java/pl/lambada/songsync/domain/model/Sort.kt b/app/src/main/java/pl/lambada/songsync/domain/model/Sort.kt
index 9847377..84a1f5b 100644
--- a/app/src/main/java/pl/lambada/songsync/domain/model/Sort.kt
+++ b/app/src/main/java/pl/lambada/songsync/domain/model/Sort.kt
@@ -14,4 +14,6 @@ enum class SortValues(@StringRes val displayName: Int) {
     ALBUM(R.string.album),
     YEAR(R.string.year),
     DURATION(R.string.duration),
+    DATE_ADDED(R.string.date_added),
+    DATE_MODIFIED(R.string.date_modified),
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f88c203..5ef493d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -141,4 +141,6 @@
     <string name="offset_mode">Offset mode</string>
     <string name="offset_mode_summary">Directly modify the lyrics timestamps instead of using offset LRC tag</string>
     <string name="settings">Settings</string>
+    <string name="date_added">Date added</string>
+    <string name="date_modified">Date modified</string>
 </resources>