diff --git a/enhancer/utils/utils.py b/enhancer/utils/utils.py
index 24dd77a..be74dc2 100644
--- a/enhancer/utils/utils.py
+++ b/enhancer/utils/utils.py
@@ -1,4 +1,6 @@
+
 import os
+from typing import Optional
 from enhancer.utils.config import Files
 
 def check_files(root_dir:str, files:Files):
@@ -9,4 +11,10 @@ def check_files(root_dir:str, files:Files):
         if not os.path.isdir(os.path.join(root_dir,path)):
             raise ValueError(f"Invalid {path}, is not a directory")
             
-    return files,root_dir
\ No newline at end of file
+    return files,root_dir
+
+def merge_dict(default_dict:dict, custom:Optional[dict]=None):
+    params = dict(default_dict)
+    if custom:
+        params.update(custom)
+    return params