diff --git a/README.md b/README.md
index a6d3a9a..9e8a766 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
+> [!IMPORTANT]
+> This repository has been archived and is no longer maintained.
+> The code is provided for historical reference and may contain unpatched or unknown vulnerabilities.
+> It should not be used in production systems.
+
 HiParTI
 ------