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: