diff --git a/tests/unit/crypto_test.py b/tests/unit/crypto_test.py
index 367399a..ae7846c 100644
--- a/tests/unit/crypto_test.py
+++ b/tests/unit/crypto_test.py
@@ -27,3 +27,3 @@ class CryptoTest(TestCase):
         decrypted = decrypt(encrypted, secret).decode()
-        self.assertEquals(plaintext, decrypted)
+        self.assertEqual(plaintext, decrypted)