diff --git a/pyproject.toml b/pyproject.toml
index 9395b19..ab1f67c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,7 +98,6 @@ extend-safe-fixes = [
     "D415", # docstrings should end with a period, question mark, or exclamation point
 ]
 ignore = [
-    "B006",
     "B904",
     "BLE001",
     "D100",
diff --git a/src/multisafepay/api/base/decorator.py b/src/multisafepay/api/base/decorator.py
index 2bcd66f..0587bfe 100644
--- a/src/multisafepay/api/base/decorator.py
+++ b/src/multisafepay/api/base/decorator.py
@@ -20,7 +20,7 @@ class Decorator:
 
     dependencies: Optional[Dict]
 
-    def __init__(self: "Decorator", dependencies: Dict = {}) -> None:
+    def __init__(self: "Decorator", dependencies: Dict = None) -> None:
         """
         Initialize the Decorator with optional dependencies.
 
@@ -29,7 +29,7 @@ def __init__(self: "Decorator", dependencies: Dict = {}) -> None:
         dependencies (dict): A dictionary of dependencies to be used by the decorator, by default {}.
 
         """
-        self.dependencies = dependencies
+        self.dependencies = dependencies if dependencies is not None else {}
 
     def adapt_checkout_options(
         self: "Decorator",
diff --git a/src/multisafepay/exception/api.py b/src/multisafepay/exception/api.py
index b4b799a..da3a63e 100644
--- a/src/multisafepay/exception/api.py
+++ b/src/multisafepay/exception/api.py
@@ -24,7 +24,7 @@ class ApiException(Exception):
     def __init__(
         self: "ApiException",
         message: str,
-        context: dict = {},
+        context: dict = None,
     ) -> None:
         """
         Initialize the ApiException.