diff --git a/README.md b/README.md
index 99f9e59..6892e11 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,19 @@
 # Buzzer
 ## Build
 ```shell
-platformio run --target uploadfs
-platformio run --target upload
+pio run -t uploadfs
+pio run -t upload
 ```
 
 ## Monitor
 ```shell
-platformio device monitor
+pio device monitor
 ```
+
+## OTA
+```shell
+pio run
+pio run -t buildfs
+```
+
+Go to http://<IP>/upload and upload `firmware.bin` and `spiffs.bin` to the firmware and filesystem sections.
diff --git a/platformio.ini b/platformio.ini
index db28d63..4ab07cf 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -21,3 +21,4 @@ lib_deps =
     https://github.com/schreibfaul1/ESP32-audioI2S.git
     adafruit/Adafruit SSD1306
     adafruit/Adafruit GFX Library
+    ayushsharma82/AsyncElegantOTA
diff --git a/src/main.cpp b/src/main.cpp
index 0f8f78d..428f897 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,6 +8,7 @@
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
 #include <Preferences.h>
+#include <AsyncElegantOTA.h>
 
 // Toggle on to switch to AP mode.
 // Leave commented for wifi station mode.
@@ -341,6 +342,7 @@ void setup()
   server.on("/upload", HTTP_POST, onUpload, onUploadFile);
   server.onNotFound(onNotFound);
   server.serveStatic("/", SPIFFS, "/www/").setDefaultFile("index.html");
+  AsyncElegantOTA.begin(&server);
   server.begin();
 
   Serial.println("Server ready!");