diff --git a/README.md b/README.md
index 8b2f817..1f5bfb2 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
+> \[!NOTE]
+>
+> This repository is archived since it is no longer maintained after the release of OpenSTEF v4
 
 # Openstef-reference