diff --git a/esphome/esp-officeusbhubpower.yaml b/esphome/esp-officeusbhubpower.yaml
index 1040e57..731c507 100644
--- a/esphome/esp-officeusbhubpower.yaml
+++ b/esphome/esp-officeusbhubpower.yaml
@@ -6,6 +6,7 @@
 # https://home.fox.co.nz/gitea/zorruno/zorruno-homeassistant/src/branch/master/esphome/esp-officeusbhubpower.yaml
 #:########################################################################################:#
 # VERSIONS:
+# V1.3 2026-07-25 Standardized MQTT payloads: "ON"/"OFF" → "On"/"Off"
 # V1.2 2026-07-20 Simplified local MQTT command and status topics to the device root
 # V1.1 2026-02-25 Updated yaml to zorruno layout V1.1
 # V1.0 2025-06-14 Initial Version
@@ -55,7 +56,7 @@ substitutions:
 
   # Project Naming
   project_name: "Sonoff Technologies.Sonoff Basic V1"
-  project_version: "v1.2"
+  project_version: "v1.3"
 
   # Passwords & Secrets (Unfortunately, you cannot use substitutions inside secret names)
   api_key: !secret esp-api_key