diff --git a/README.md b/README.md
index b17d138..a667872 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,9 @@
 [buymeacoffee-shield]: https://img.shields.io/static/v1?label=Buy%20me%20an%20ice%20cream&message=❄&color=blue
 [buymeacoffee]: https://www.buymeacoffee.com/edwardfirmo
 
+> [!WARNING]
+> ESPHome builder v2025.8.0+ is required
+
 ## Framework Migration to ESP-IDF
 
 > [!IMPORTANT]