diff --git a/platformio.ini b/platformio.ini
index 0e09b499b..c65805622 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -143,7 +143,7 @@ lib_deps =
     fastled/FastLED @ 3.6.0
     IRremoteESP8266 @ 2.8.2
     makuna/NeoPixelBus @ 2.7.9
-    https://github.com/Aircoookie/ESPAsyncWebServer.git @ ^2.2.0
+    https://github.com/Aircoookie/ESPAsyncWebServer.git @ 2.2.1
   # for I2C interface
     ;Wire
   # ESP-NOW library