diff --git a/README.md b/README.md
index 94a6266..7c4fa2a 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,10 @@
-# ⚠️ This is a Mirror Repository
+# ⚠️ This Mirror Repository is deprecated!
 
 This repository is an automated mirror of the `base-action` directory from [anthropics/claude-code-action](https://github.com/anthropics/claude-code-action).
 
-**Do not submit PRs or issues to this repository.** Instead, please contribute to the main repository:
+However, the github releases (https://github.com/anthropics/claude-code-base-action/releases) are not synced, so if you use this, you will get an outdated version of Claude Code.
+
+**Do not use this repository.** Instead, please use or contribute to the main repository:
 
 - 🐛 [Report issues](https://github.com/anthropics/claude-code-action/issues)
 - 🔧 [Submit pull requests](https://github.com/anthropics/claude-code-action/pulls)