diff --git a/tests/test_litellm/test_utils.py b/tests/test_litellm/test_utils.py
index a1a9448cc58..9b36a84bec8 100644
--- a/tests/test_litellm/test_utils.py
+++ b/tests/test_litellm/test_utils.py
@@ -862,6 +862,7 @@ def test_aaamodel_prices_and_context_window_json_is_valid():
                 "supports_xhigh_reasoning_effort": {"type": "boolean"},
                 "supports_max_reasoning_effort": {"type": "boolean"},
                 "supports_adaptive_thinking": {"type": "boolean"},
+                "supports_anthropic_thinking_payload": {"type": "boolean"},
                 "supports_mid_conversation_system": {"type": "boolean"},
                 "supports_sampling_params": {"type": "boolean"},
                 "supports_output_config": {"type": "boolean"},