diff --git a/boards/_base/beken-72xx.json b/boards/_base/beken-72xx.json
index b2175e6..23ad273 100644
--- a/boards/_base/beken-72xx.json
+++ b/boards/_base/beken-72xx.json
@@ -1,7 +1,13 @@
 {
 	"build": {
 		"f_cpu": "120000000L",
-		"prefix": "arm-none-eabi-"
+		"prefix": "arm-none-eabi-",
+		"bkota": {
+			"encryption": "aes256",
+			"compression": "gzip",
+			"key": "0123456789ABCDEF0123456789ABCDEF",
+			"iv": "0123456789ABCDEF"
+		}
 	},
 	"connectivity": [
 		"wifi",
diff --git a/builder/frameworks/beken-72xx-sdk.py b/builder/frameworks/beken-72xx-sdk.py
index 5aab8aa..829ca0b 100644
--- a/builder/frameworks/beken-72xx-sdk.py
+++ b/builder/frameworks/beken-72xx-sdk.py
@@ -7,6 +7,12 @@ from SCons.Script import Builder, DefaultEnvironment
 env = DefaultEnvironment()
 board = env.BoardConfig()
 
+# Install PyCryptodome for OTA packaging with AES
+try:
+    import Cryptodome
+except ImportError:
+    env.Execute("$PYTHONEXE -m pip install pycryptodomex")
+
 ROOT_DIR = join("$SDK_DIR", "beken378")
 APP_DIR = join(ROOT_DIR, "app")
 DRIVER_DIR = join(ROOT_DIR, "driver")