diff --git a/odmantic/model.py b/odmantic/model.py
index f387f937..e0128200 100644
--- a/odmantic/model.py
+++ b/odmantic/model.py
@@ -138,6 +138,8 @@ def find_duplicate_key(fields: Iterable[ODMBaseField]) -> Optional[str]:
 def is_type_mutable(type_: Type) -> bool:
     type_origin: Optional[Type] = getattr(type_, "__origin__", None)
     if type_origin is not None:
+        if type_origin is Literal:
+            return False
         type_args: Tuple[Type, ...] = getattr(type_, "__args__", ())
         for type_arg in type_args:
             if type_arg is ...:  # Handle tuple definition
diff --git a/tests/unit/test_model_type_validation.py b/tests/unit/test_model_type_validation.py
index c8a5eb0b..c5d23f0a 100644
--- a/tests/unit/test_model_type_validation.py
+++ b/tests/unit/test_model_type_validation.py
@@ -24,6 +24,7 @@
     Regex,
 )
 from odmantic.model import EmbeddedModel, Model, is_type_mutable, validate_type
+from odmantic.typing import Literal
 
 
 @pytest.mark.parametrize("base, replacement", _BSON_SUBSTITUTED_FIELDS.items())
@@ -83,6 +84,7 @@ class DummyModel(Model):
         Tuple[int, str, bool],
         Tuple[int, ...],
         FrozenSet[int],
+        Literal["a", "b", "c"],
         Union[FrozenSet[int], Tuple[int, str]],
         DummyModel,
     ),