diff --git a/esp32/platformio.ini b/esp32/platformio.ini
index e775a5e..8f83108 100644
--- a/esp32/platformio.ini
+++ b/esp32/platformio.ini
@@ -16,7 +16,9 @@ build_flags = -DPIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY
 board_build.partitions = huge_app.csv
 
 ; the latest development brankitchen-lightch (convention V3.0.x) 
-lib_deps = https://github.com/homieiot/homie-esp8266.git#v3.0
+lib_deps = ArduinoJson@6.16.1
+            https://github.com/homieiot/homie-esp8266.git#v3.0
             OneWire
-                        
+            
+
 upload_port = /dev/ttyUSB0