diff --git a/platformio.ini b/platformio.ini
index 2db3daa0..76a64df2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -43,7 +43,7 @@ build_unflags =
 
 lib_deps =
     ESP32Async/ESPAsyncWebServer @ 3.7.3
-    bblanchon/ArduinoJson @ 7.3.0
+    bblanchon/ArduinoJson @ 7.3.1
     https://github.com/bertmelis/espMqttClient.git#v1.7.0
     nrf24/RF24 @ 1.4.11
     olikraus/U8g2 @ 2.36.4