diff --git a/components/esp_hw_support/test_apps/etm/README.md b/components/esp_hw_support/test_apps/etm/README.md
index b450dc5ffa..7b822bdb0e 100644
--- a/components/esp_hw_support/test_apps/etm/README.md
+++ b/components/esp_hw_support/test_apps/etm/README.md
@@ -1,2 +1,2 @@
-| Supported Targets | ESP32-C6 | ESP32-H2 |
-| ----------------- | -------- | -------- |
+| Supported Targets | ESP32-C6 | ESP32-H2 | ESP32-P4 |
+| ----------------- | -------- | -------- | -------- |