diff --git a/platformio.ini b/platformio.ini
index fccd8a27..8a5da3c9 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -43,7 +43,7 @@ build_unflags =
 
 lib_deps =
     mathieucarbou/ESPAsyncWebServer @ 3.4.2
-    bblanchon/ArduinoJson @ 7.2.1
+    bblanchon/ArduinoJson @ 7.3.0
     https://github.com/bertmelis/espMqttClient.git#v1.7.0
     nrf24/RF24 @ 1.4.10
     olikraus/U8g2 @ 2.36.2