diff --git a/README.md b/README.md
index 51dcd37..bf38717 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,11 @@ NetExport
 
 Use this Firebug extension to export data from Firebug's Net panel.
 
+This project is not maintained anymore and it's been replaced by
+native support in Firefox + HAR Export Trigger addon, read
+[more](https://github.com/firebug/har-export-trigger).
+
+
 Resources
 ---------