diff --git a/pyproject.toml b/pyproject.toml
index fa74005..b8923fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,7 @@ classifiers = [
     "Topic :: Software Development",
     "Typing :: Typed",
 ]
+dependencies = ["typing-extensions; python_version < '3.12'"]
 dynamic = ["description", "version"]
 keywords = ["classmethod", "decorator", "property"]
 license = "MIT"
diff --git a/tests.py b/tests.py
index 3f8d52e..effaf61 100644
--- a/tests.py
+++ b/tests.py
@@ -1,8 +1,14 @@
 """Full test suite for 'typed_classproperties' library."""
 
 import abc
+import sys
 from typing import TYPE_CHECKING, Any
 
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from typing_extensions import override
+
 from typed_classproperties import cached_classproperty, classproperty
 
 if TYPE_CHECKING:
@@ -53,6 +59,7 @@ def base_method(cls) -> str:
 
         class _SubClass(_BaseClass):
             @classproperty
+            @override
             def base_method(cls) -> str:
                 return ""
 
diff --git a/typed_classproperties/__init__.py b/typed_classproperties/__init__.py
index 702d16d..565c670 100644
--- a/typed_classproperties/__init__.py
+++ b/typed_classproperties/__init__.py
@@ -10,6 +10,11 @@
     overload,
 )
 
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from typing_extensions import override
+
 if TYPE_CHECKING:
     from collections.abc import Callable, Sequence
     from typing import Final
@@ -30,10 +35,12 @@ class classproperty(property, Generic[T_class, T_value]):
     Credit to Denis Rhyzhkov on Stackoverflow: https://stackoverflow.com/a/13624858/1280629
     """
 
+    @override
     def __init__(self, func: "Callable[..., T_value]", /) -> None:
         """Initialise the classproperty object."""
         super().__init__(func)
 
+    @override
     def __get__(self, owner_self: object, owner_cls: "type | None" = None, /) -> T_value:
         """Retrieve the value of the property."""
         if self.fget is None:
@@ -66,6 +73,7 @@ class cached_classproperty(
     as this will completely remove the cached value and the cached property setter.
     """
 
+    @override
     def __set_name__(self, owner: type, name: str, /) -> None:
         """Store the lookupkeyof the cached-classproperty."""
         super().__set_name__(owner, name)
@@ -95,11 +103,14 @@ def _get_cached_property(self, owner: "type[Any] | None") -> Any:  # noqa: ANN40
         return val
 
     @overload
+    @override
     def __get__(self, instance: None, owner: "type[Any] | None" = None, /) -> "Self": ...
 
     @overload
+    @override
     def __get__(self, instance: object, owner: "type[Any] | None" = None, /) -> T_value: ...
 
+    @override
     def __get__(
         self, instance: object, owner: "type[Any] | None" = None, /
     ) -> "Self | T_value":
diff --git a/uv.lock b/uv.lock
index 19c3bde..326959e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -306,6 +306,9 @@ wheels = [
 [[package]]
 name = "typed-classproperties"
 source = { editable = "." }
+dependencies = [
+    { name = "typing-extensions", marker = "python_full_version < '3.12'" },
+]
 
 [package.dev-dependencies]
 dev = [
@@ -328,6 +331,7 @@ type-check = [
 ]
 
 [package.metadata]
+requires-dist = [{ name = "typing-extensions", marker = "python_full_version < '3.12'" }]
 
 [package.metadata.requires-dev]
 dev = [