diff --git a/django-stubs/db/models/base.pyi b/django-stubs/db/models/base.pyi
index 8e2b03454..6970a54b4 100644
--- a/django-stubs/db/models/base.pyi
+++ b/django-stubs/db/models/base.pyi
@@ -45,12 +45,13 @@ class Model(metaclass=ModelBase):
     def full_clean(
         self,
         exclude: Collection[str] | None = ...,
-        validate_unique: bool = True,
-        validate_constraints: bool = True,
+        validate_unique: bool = ...,
+        validate_constraints: bool = ...,
     ) -> None: ...
     def clean(self) -> None: ...
     def clean_fields(self, exclude: Collection[str] | None = ...) -> None: ...
     def validate_unique(self, exclude: Collection[str] | None = ...) -> None: ...
+    def validate_constraints(self, exclude: Collection[str] | None = ...) -> None: ...
     def unique_error_message(
         self,
         model_class: type[Self],