diff --git a/app/build.gradle b/app/build.gradle
index 3048f38a..30cba438 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -52,8 +52,8 @@ dependencies
   implementation 'com.jakewharton.timber:timber:5.0.1'
   
   // Builtin FTP Server - 最新版（用于数据备份）
-  // 注意：不需要显式添加 ftpserver 依赖，builtinftp 会通过传递依赖自动引入正确版本
-  implementation 'com.github.hxcan:builtinftp:2026.3.29'
+  // builtinftp 2026.3.31+ includes ftpserver 2026.3.39 with LIST command fix
+  implementation 'com.github.hxcan:builtinftp:2026.3.31'
 }
 
 android 
@@ -166,4 +166,4 @@ android.applicationVariants.all { variant ->
             outputFileName = "sisterfuture-release-v${versionName}-${versionCode}-${buildTime}.apk"
         }
     }
-}
+}
\ No newline at end of file