diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # libavif-container
 
+## **Sorry, this repository is no longer maintained due to the retirement of the main maintainer. There are some alternatives like `libavif-bin`. After some time, this repository will be archived.**
+
 [![Unit tests](https://github.com/link-u/libavif-container/workflows/Unit%20tests/badge.svg)](https://github.com/link-u/libavif-container/actions?query=workflow%3A%22Unit+tests%22)
 
 A library to parsing and writing avif container.