diff --git a/mycli/config.py b/mycli/config.py

index 5d71109..1626726 100644

--- a/mycli/config.py

+++ b/mycli/config.py

@@ -8,7 +8,7 @@ import sys

 from typing import Union, IO

 from configobj import ConfigObj, ConfigObjError

-import pyaes

+from Cryptodome.Cipher import AES

 try:

     import importlib.resources as resources

@@ -189,7 +189,7 @@ def encrypt_mylogin_cnf(plaintext: IO[str]):

         return bytes(rkey)

     def encode_line(plaintext, real_key, buf_len):

-        aes = pyaes.AESModeOfOperationECB(real_key)

+        aes = AES.new(real_key, AES.MODE_ECB)

         text_len = len(plaintext)

         pad_len = buf_len - text_len

         pad_chr = bytes(chr(pad_len), "utf8")

@@ -267,7 +267,7 @@ def read_and_decrypt_mylogin_cnf(f):

     # Create a bytes buffer to hold the plaintext.

     plaintext = BytesIO()

-    aes = pyaes.AESModeOfOperationECB(rkey)

+    aes = AES.new(rkey, AES.MODE_ECB)

     while True:

         # Read the length of the ciphertext.

diff --git a/setup.py b/setup.py

index e31f759..883a1ba 100755

--- a/setup.py

+++ b/setup.py

@@ -30,7 +30,7 @@ install_requirements = [

     'configobj >= 5.0.5',

     'cli_helpers[styles] >= 2.0.1',

     'pyperclip >= 1.8.1',

-    'pyaes >= 1.6.1'

+    'pycryptodomex',

 ]

 if sys.version_info.minor < 9: