diff --git a/setup.cfg b/setup.cfg
index 2dff342..90c666c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,7 +37,7 @@ python_requires = >=3.6
 setup_requires =
     setuptools>=51.2.0
 install_requires =
-    typing-extensions~=3.7; python_version<"3.8"
+    typing-extensions>=4.6.0
 zip_safe = false
 include_package_data = true
 
diff --git a/src/aiotools/types.py b/src/aiotools/types.py
index 455ef33..ed44d88 100644
--- a/src/aiotools/types.py
+++ b/src/aiotools/types.py
@@ -7,6 +7,7 @@
     Coroutine,
     Generator,
     TypeVar,
+    Union,
 )
 from typing_extensions import TypeAlias
 
@@ -17,5 +18,5 @@
     AwaitableLike: TypeAlias = Awaitable[_T]  # noqa: Y047
     CoroutineLike: TypeAlias = Coroutine[Any, Any, _T]  # noqa: Y047
 else:
-    AwaitableLike: TypeAlias = Generator[Any, None, _T] | Awaitable[_T]
-    CoroutineLike: TypeAlias = Generator[Any, None, _T] | Coroutine[Any, Any, _T]
+    AwaitableLike: TypeAlias = Union[Generator[Any, None, _T], Awaitable[_T]]
+    CoroutineLike: TypeAlias = Union[Generator[Any, None, _T], Coroutine[Any, Any, _T]]