diff --git a/langgraph/checkpoint/aiosqlite.py b/langgraph/checkpoint/aiosqlite.py
index a374886cd..81a5a0943 100644
--- a/langgraph/checkpoint/aiosqlite.py
+++ b/langgraph/checkpoint/aiosqlite.py
@@ -28,10 +28,10 @@ class AsyncSqliteSaver(BaseCheckpointSaver, AbstractAsyncContextManager):
 
     async def __aexit__(
         self,
-        __exc_type: type[BaseException] | None,
-        __exc_value: BaseException | None,
-        __traceback: TracebackType | None,
-    ) -> bool | None:
+        __exc_type: Optional[type[BaseException]],
+        __exc_value: Optional[BaseException],
+        __traceback: Optional[TracebackType],
+    ) -> Optional[bool]:
         return await self.conn.close()
 
     async def setup(self) -> None:
diff --git a/langgraph/checkpoint/sqlite.py b/langgraph/checkpoint/sqlite.py
index d2b801f19..b7dbc04c8 100644
--- a/langgraph/checkpoint/sqlite.py
+++ b/langgraph/checkpoint/sqlite.py
@@ -28,10 +28,10 @@ class SqliteSaver(BaseCheckpointSaver, AbstractContextManager):
 
     def __exit__(
         self,
-        __exc_type: type[BaseException] | None,
-        __exc_value: BaseException | None,
-        __traceback: TracebackType | None,
-    ) -> bool | None:
+        __exc_type: Optional[type[BaseException]],
+        __exc_value: Optional[BaseException],
+        __traceback: Optional[TracebackType],
+    ) -> Optional[bool]:
         return self.conn.close()
 
     def setup(self) -> None: