diff --git a/README.md b/README.md
index 89b98a2b..a844f784 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+**_THIS REPOSITORY IS DEPRECATED. ALL OF ITS CONTENT AND HISTORY HAS BEEN MOVED TO [GOOGLE-CLOUD-NODE-CORE](https://github.com/googleapis/google-cloud-node-core/tree/main/packages/gaxios)_**
+
 # gaxios
 
 [![npm version](https://img.shields.io/npm/v/gaxios.svg)](https://www.npmjs.org/package/gaxios)