diff --git a/requirements.txt b/requirements.txt
index 818453dc8f..28b298b79f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,7 @@ tzdata>=2026.2  # from time
 pyserial==3.5
 platformio==6.1.19
 esptool==5.2.0
+ltchiptool==4.14.1
 click==8.3.3
 esphome-dashboard==20260425.0
 aioesphomeapi==44.23.0