diff --git a/tests/test_seed_import.py b/tests/test_seed_import.py
index 4f80810..b88263d 100644
--- a/tests/test_seed_import.py
+++ b/tests/test_seed_import.py
@@ -2,23 +2,23 @@ import sys
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from cryptography.fernet import Fernet
+from mnemonic import Mnemonic
 
 sys.path.append(str(Path(__file__).resolve().parents[1]))
 
 from password_manager.encryption import EncryptionManager
 from password_manager.manager import PasswordManager
 
-SEED = "guard rule huge draft embark case any drastic horse bargain orchard mobile"
-
 
 def test_seed_encryption_round_trip():
     with TemporaryDirectory() as tmpdir:
         key = Fernet.generate_key()
         enc_mgr = EncryptionManager(key, Path(tmpdir))
 
-        enc_mgr.encrypt_parent_seed(SEED)
+        seed = Mnemonic("english").generate(strength=128)
+        enc_mgr.encrypt_parent_seed(seed)
         decrypted = enc_mgr.decrypt_parent_seed()
 
-        assert decrypted == SEED
+        assert decrypted == seed
         pm = PasswordManager.__new__(PasswordManager)
-        assert pm.validate_bip85_seed(SEED)
+        assert pm.validate_bip85_seed(seed)