diff --git a/platformio.ini b/platformio.ini
index b739c06..e024af1 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -154,6 +154,7 @@ build_flags =
   '-DCONFIG_BT_NIMBLE_ROLE_PERIPHERAL_DISABLED'
   '-DCONFIG_BT_NIMBLE_ROLE_BROADCASTER_DISABLED'
   '-DMQTTsetMQTT'
+  '-DMQTT_HTTPS_FW_UPDATE'
   ;'-DCORE_DEBUG_LEVEL=4'
 
 [com-arduino]