diff --git a/libraries/drivers/mhz19 b/libraries/drivers/mhz19
index d0d8c44..d0cf746 160000
--- a/libraries/drivers/mhz19
+++ b/libraries/drivers/mhz19
@@ -1 +1 @@
-Subproject commit d0d8c44e66247ed940f599ebd5574fd89f749e7e
+Subproject commit d0cf7468bd1c795fb72d35010cdf926211cb07fb