diff --git a/platformio.ini b/platformio.ini
index f8a7356..8dcd3ac 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -6,7 +6,7 @@ core_dir                = .pio
 [env]
 version                 = 1.6.0-passiveble
 framework               = arduino
-lib_deps                = ESP32Async/AsyncTCP@^2.0.0
+lib_deps                = ESP32Async/AsyncTCP@^3.4.10
                           ESP32Async/ESPAsyncWebServer@^3.9.4
                           mathieucarbou/MycilaWebSerial@^8.2.0
                           bblanchon/ArduinoJson@^7.4.2