diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4a7c0f2..bf3df12 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/python-poetry-env
diff --git a/src/magic_di/_injector.py b/src/magic_di/_injector.py
index cd5404a..4f2cda5 100644
--- a/src/magic_di/_injector.py
+++ b/src/magic_di/_injector.py
@@ -11,7 +11,6 @@
     Callable,
     Iterable,
     Iterator,
-    Self,
     TypeVar,
     cast,
     get_origin,
@@ -166,7 +165,7 @@ async def disconnect(self) -> None:
                 except Exception:
                     self.logger.exception("Failed to disconnect %s", cls.__name__)
 
-    async def __aenter__(self) -> Self:
+    async def __aenter__(self) -> DependencyInjector:  # noqa: PYI034
         await self.connect()
         return self