diff --git a/firmware/cyd_28r/VERSION.txt b/firmware/cyd_28r/VERSION.txt
index dadff57..743766e 100644
--- a/firmware/cyd_28r/VERSION.txt
+++ b/firmware/cyd_28r/VERSION.txt
@@ -1,5 +1,5 @@
 name: CYD SGP30 air quality dashboard (cyd_28r)
-git: 5b1ffb8
+git: 334cdee
 date: 2026-10-18
 board: ESP32-2432S028R (ILI9341)
 sgp30: SDA=GPIO22 SCL=GPIO27