diff --git a/MAINTAINERS b/MAINTAINERS
index 01079a189c93..4a0089db6670 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -26015,6 +26015,12 @@ M:	David Härdeman <david@hardeman.nu>
 S:	Maintained
 F:	drivers/media/rc/winbond-cir.c
 
+WINSEN MHZ19B
+M:	Gyeyoung Baek <gye976@gmail.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/iio/chemical/winsen,mhz19b.yaml
+F:	drivers/iio/chemical/mhz19b.c
+
 WINSYSTEMS EBC-C384 WATCHDOG DRIVER
 L:	linux-watchdog@vger.kernel.org
 S:	Orphan