diff --git a/pyproject.toml b/pyproject.toml
index 75bae71..b1aacfe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "literal-dict"
-version = "1.0.1"
+version = "1.0.1.1"
 description = "Use JavaScript-like object definition syntax in Python"
 authors = [{ name = "Muspi Merol", email = "me@muspimerol.site" }]
 dependencies = []
diff --git a/src/literal_dict.py b/src/literal_dict.py
index 21718e6..359abba 100644
--- a/src/literal_dict.py
+++ b/src/literal_dict.py
@@ -1,13 +1,13 @@
 from inspect import currentframe
-from typing import Callable, Generic, Mapping, Sequence, TypeVar, Union, cast
+from typing import Callable, Generic, Sequence, TypeVar, Union, cast
 
 T = TypeVar("T")
-D = TypeVar("D", bound=Mapping)
+D = TypeVar("D")
 
 
 class DictBuilder(Generic[D]):
-    def __init__(self, mapping_constructor: Callable[[dict], D] = dict):
-        self.constructor = mapping_constructor
+    def __init__(self, constructor: Callable[[dict], D] = dict):
+        self.constructor = constructor
 
     def __getitem__(self, args: Union[slice, T, Sequence[Union[slice, T]]]) -> D:
         if not isinstance(args, tuple):