diff --git a/platformio.ini b/platformio.ini
index 36f22bd94..4777bc00a 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -92,7 +92,7 @@ lib_deps =
   bblanchon/ArduinoJson @ 7.4.3
   ESP32Async/AsyncTCP @ 3.4.10
   ESP32Async/ESPAsyncWebServer @ 3.10.3
-  https://github.com/mobizt/ReadyMail.git @ 0.3.10
+  https://github.com/mobizt/ReadyMail.git @ 0.4.0
   https://github.com/mobizt/ESP_SSLClient.git @ 3.1.3
   ; https://github.com/emsesp/EMS-ESP-Modules.git @ 1.0.8