diff --git a/esphome/esp-officedeskrightgpo.yaml b/esphome/esp-officedeskrightgpo.yaml
index 34cb254..c5a5ba2 100644
--- a/esphome/esp-officedeskrightgpo.yaml
+++ b/esphome/esp-officedeskrightgpo.yaml
@@ -6,6 +6,7 @@
 # https://home.fox.co.nz/gitea/zorruno/zorruno-homeassistant/src/branch/master/esphome/esp-officedeskrightgpo.yaml
 #:########################################################################################:#
 # VERSIONS:
+# V1.2 2026-07-25 Standardized MQTT payloads: "ON"/"OFF" → "On"/"Off"
 # V1.1 2026-03-08 Updated yaml to zorruno layout V1.1
 # V1.0 2025-06-14 Initial Version
 #:########################################################################################:#
@@ -57,7 +58,7 @@ substitutions:
 
   # Project Naming
   project_name: "Sonoff Technologies.Sonoff Basic V1" # Project Details
-  project_version: "v1.1" # Project V denotes release of yaml file, allowing checking of deployed vs latest version
+  project_version: "v1.2" # Project V denotes release of yaml file, allowing checking of deployed vs latest version
 
   # Passwords & Secrets
   api_key: !secret esp-api_key # unfortunately you can't use substitutions inside secrets names