diff --git a/README.md b/README.md
index 955d7dcf..a3922d6a 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,10 @@
 
 # r2dii.plot <img src="man/figures/logo.png" align="right" width="120" />
 
+[![Project Status: Unsupported](https://www.repostatus.org/badges/latest/unsupported.svg)](https://www.repostatus.org/#unsupported)
+
+**This project is archived for future reference, but no new work is expected in this repository.**
+
 <!-- badges: start -->
 
 [![Lifecycle: