diff --git a/libs/oci/pyproject.toml b/libs/oci/pyproject.toml
index 9fbbecb..9b68e57 100644
--- a/libs/oci/pyproject.toml
+++ b/libs/oci/pyproject.toml
@@ -27,9 +27,10 @@ pytest-cov = "^4.1.0"
 syrupy = "^4.0.2"
 pytest-asyncio = "^0.23.2"
 pytest-watcher = "^0.3.4"
-langchain-tests = "0.3.12"
-langchain = "^0.3.7"
+langchain-tests = "^0.3.12"
 pytest-socket = "^0.7.0"
+pytest-mock = "^3.15.0"
+responses = "^0.25.8"
 
 
 [tool.poetry.group.codespell]
diff --git a/libs/oci/tests/unit_tests/llms/test_oci_model_deployment_endpoint.py b/libs/oci/tests/unit_tests/llms/test_oci_model_deployment_endpoint.py
index c5ee020..86e2ca7 100644
--- a/libs/oci/tests/unit_tests/llms/test_oci_model_deployment_endpoint.py
+++ b/libs/oci/tests/unit_tests/llms/test_oci_model_deployment_endpoint.py
@@ -154,10 +154,6 @@ def test_generate_tgi(*args: Any) -> None:
 @mock.patch(
     "ads.common.auth.default_signer", return_value=dict(signer=mock.MagicMock())
 )
-@mock.patch(
-    "langchain_oci.utilities.requests.Requests.apost",
-    mock.MagicMock(),
-)
 async def test_stream_async(*args: Any) -> None:
     """Tests async streaming."""
     llm = OCIModelDeploymentTGI(