diff --git a/ports/mqtt-cpp/CONTROL b/ports/mqtt-cpp/CONTROL
index 73303edd2..6046daacf 100644
--- a/ports/mqtt-cpp/CONTROL
+++ b/ports/mqtt-cpp/CONTROL
@@ -2,4 +2,4 @@ Source: mqtt-cpp
 Version: 7.0.1
 Description: Header-only MQTT client/server for C++14 based on Boost.Asio.
 Homepage: https://github.com/redboltz/mqtt_cpp
-Build-Depends: boost-asio, boost-timer
+Build-Depends: boost-asio, boost-any, boost-multi-index, boost-type-erasure