diff --git a/libc/include/android/fdsan.h b/libc/include/android/fdsan.h
index cbea460..dc2bbd5 100644
--- a/libc/include/android/fdsan.h
+++ b/libc/include/android/fdsan.h
@@ -111,6 +111,9 @@
 
   /* android.os.ParcelFileDescriptor */
   ANDROID_FDSAN_OWNER_TYPE_PARCELFILEDESCRIPTOR = 8,
+
+  /* ART FdFile */
+  ANDROID_FDSAN_OWNER_TYPE_ART_FDFILE = 9,
 };
 
 /*