diff --git a/scaler/about.py b/scaler/about.py
index d48d2bf..0a40090 100644
--- a/scaler/about.py
+++ b/scaler/about.py
@@ -1 +1 @@
-__version__ = "1.8.11"
+__version__ = "1.8.12"
diff --git a/scaler/io/utility.py b/scaler/io/utility.py
index 861841f..9671051 100644
--- a/scaler/io/utility.py
+++ b/scaler/io/utility.py
@@ -28,7 +28,4 @@ def chunk_to_list_of_bytes(data: bytes) -> List[bytes]:
 
 
 def concat_list_of_bytes(data: List[bytes]) -> bytes:
-    one_object_bytes = bytearray()
-    for chunk in data:
-        one_object_bytes.extend(chunk)
-    return one_object_bytes
+    return bytearray().join(data)