diff --git a/platformio.ini b/platformio.ini
index 84ce9a00c..3f8d15886 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -42,7 +42,7 @@ build_unflags =
     -std=gnu++11
 
 lib_deps =
-    mathieucarbou/ESPAsyncWebServer @ 3.4.1
+    mathieucarbou/ESPAsyncWebServer @ 3.4.2
     bblanchon/ArduinoJson @ 7.2.1
     https://github.com/bertmelis/espMqttClient.git#v1.7.0
     nrf24/RF24 @ 1.4.10