diff --git a/stdlib/file/file.cue b/stdlib/file/file.cue
index 1e811272..226338be 100644
--- a/stdlib/file/file.cue
+++ b/stdlib/file/file.cue
@@ -1,3 +1,4 @@
+// DEPRECATED: see dagger.io/os
 package file
 
 import (