diff --git a/pyproject.toml b/pyproject.toml
index 3fd02d17..42156baf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,8 +80,8 @@ optional-dependencies.substrate = [
   "substrate-interface",
 ]
 optional-dependencies.tezos = [
-  "aleph-pytezos==3.13.4",
   "pynacl",
+  "pytezos-crypto==3.13.4.1",
 ]
 urls.Documentation = "https://aleph.im/"
 urls.Homepage = "https://github.com/aleph-im/aleph-sdk-python"
diff --git a/src/aleph/sdk/chains/tezos.py b/src/aleph/sdk/chains/tezos.py
index cffa3e78..c4ee08ab 100644
--- a/src/aleph/sdk/chains/tezos.py
+++ b/src/aleph/sdk/chains/tezos.py
@@ -2,9 +2,9 @@
 from pathlib import Path
 from typing import Dict, Optional, Union
 
-from aleph_pytezos.crypto.key import Key
 from nacl.public import SealedBox
 from nacl.signing import SigningKey
+from pytezos_crypto.key import Key
 
 from .common import BaseAccount, get_fallback_private_key, get_verification_buffer