diff --git a/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py b/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py
index 90193b5dac0..27eebe42e58 100644
--- a/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py
+++ b/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py
@@ -111,7 +111,7 @@ async def test_async_client_initialization() -> None:
     chroma = Chroma(
         collection_name="test_collection",
         embedding_function=AsyncFakeEmbeddings(size=10),
-        async_client=async_client,
+        async_client=async_client,  # type: ignore[arg-type]
     )
 
     assert chroma._async_client is not None
@@ -441,3 +441,4 @@ async def test_concurrent_async_operations() -> None:
     assert all(results[1])  # Second add_texts returned IDs
     assert isinstance(results[2], list)  # Search returned documents
 
+