diff --git a/platformio.ini b/platformio.ini
index 637a308..586c350 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,7 +10,7 @@ monitor_filters = esp32_exception_decoder
 lib_deps = 
 	adafruit/Adafruit GFX Library @ 1.11.5
 	adafruit/Adafruit SSD1306 @ 2.5.7
-	bblanchon/ArduinoJson @ 6.20.1
+	bblanchon/ArduinoJson @ 6.21.2
 	lewisxhe/AXP202X_Library @ 1.1.3
 	sandeepmistry/LoRa @ 0.8.0
 	peterus/APRS-Decoder-Lib @ 0.0.6