diff --git a/src/air_quality_sensor.ino b/src/air_quality_sensor.ino
index 43b9a2a..085d27a 100644
--- a/src/air_quality_sensor.ino
+++ b/src/air_quality_sensor.ino
@@ -21,7 +21,7 @@ PRODUCT_VERSION(3);
 
 #if PLATFORM_ID == PLATFORM_BORON
 PRODUCT_ID(9861);
-PRODUCT_VERSION(3);
+PRODUCT_VERSION(4);
 #endif
 
 // Battery Stuff