diff --git a/code/platformio.ini b/code/platformio.ini
index eabcdbe5..a33d807a 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -99,6 +99,7 @@ lib_extra_dirs =
 # LIBRARIES: required dependencies
 #   Please note that we don't always use the latest version of a library.
 # ------------------------------------------------------------------------------
+lib_compat_mode = strict
 lib_deps =
     ArduinoJson@5.13.4
     https://github.com/marvinroger/async-mqtt-client#v0.8.1