diff --git a/Code/platformio.ini b/Code/platformio.ini
index 61ccbb83..d46cc097 100644
--- a/Code/platformio.ini
+++ b/Code/platformio.ini
@@ -18,13 +18,14 @@ platform = espressif8266@^4
 board = nodemcuv2
 framework = arduino
 lib_deps = 
-	bblanchon/ArduinoJson
+	bblanchon/ArduinoJson@6.21.2
 	; mcxiaoke/ESPDateTime
 	links2004/WebSockets
 	knolleary/PubSubClient
 	me-no-dev/ESPAsyncTCP
 	; khoih-prog/ESP_WifiManager@^1.12.1
     tzapu/WifiManager
+    https://github.com/dok-net/ghostl ; << Fix missing circular_queue.h in plerup/EspSoftwareSerial@8.2.0
 	plerup/EspSoftwareSerial
 	milesburton/DallasTemperature
 board_build.filesystem = littlefs