diff --git a/esphome/esp-bedrm3lights.yaml b/esphome/esp-bedrm3lights.yaml
index f9e697d..05af81b 100644
--- a/esphome/esp-bedrm3lights.yaml
+++ b/esphome/esp-bedrm3lights.yaml
@@ -6,6 +6,7 @@
 # https://home.fox.co.nz/gitea/zorruno/zorruno-homeassistant/src/branch/master/esphome/esp-bedrm3lights.yaml
 #:########################################################################################:#
 # VERSIONS:
+# V3.7 2026-07-25 Standardized MQTT payloads: "ON"/"OFF" → "On"/"Off"
 # V3.6 2026-03-05 Updated yaml to zorruno layout V1.1
 # V3.5 2025-07-24 YAML tidyups
 #:########################################################################################:#
@@ -56,7 +57,7 @@ substitutions:
 
   # Project Naming
   project_name: "Zemismart Technologies.KS-811 Double" # Project Details
-  project_version: "v3.6" # Project V denotes release of yaml file, allowing checking of deployed vs latest version
+  project_version: "v3.7" # Project V denotes release of yaml file, allowing checking of deployed vs latest version
 
   # Passwords and Secrets
   api_key: !secret esp-api_key # unfortunately you can't use substitutions inside secrets names