diff --git a/tests/unit/mock/vault_helper.py b/tests/unit/mock/vault_helper.py
index dcce9c7..5b2fdd2 100644
--- a/tests/unit/mock/vault_helper.py
+++ b/tests/unit/mock/vault_helper.py
@@ -15,7 +15,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-from ansible.module_utils._text import to_bytes
+from ansible.module_utils.common.text.converters import to_bytes
 
 from ansible.parsing.vault import VaultSecret