diff --git a/src/frostfs_testlib/utils/string_utils.py b/src/frostfs_testlib/utils/string_utils.py
index 80efa65..726c792 100644
--- a/src/frostfs_testlib/utils/string_utils.py
+++ b/src/frostfs_testlib/utils/string_utils.py
@@ -1,3 +1,4 @@
+import itertools
 import random
 import re
 import string
@@ -7,6 +8,8 @@ ONLY_ASCII_LETTERS = string.ascii_letters
 DIGITS_AND_ASCII_LETTERS = string.ascii_letters + string.digits
 NON_DIGITS_AND_LETTERS = string.punctuation
 
+FUSE = itertools.cycle(range(5))
+
 
 def unique_name(prefix: str = "", postfix: str = ""):
     """
@@ -18,7 +21,7 @@ def unique_name(prefix: str = "", postfix: str = ""):
     Returns:
         unique name string
     """
-    return f"{prefix}{hex(int(datetime.now().timestamp() * 1000000))}{postfix}"
+    return f"{prefix}{hex(int(datetime.now().timestamp() * 1000000))}{next(FUSE)}{postfix}"
 
 
 def random_string(length: int = 5, source: str = ONLY_ASCII_LETTERS):