diff --git a/litellm/anthropic_beta_headers_config.json b/litellm/anthropic_beta_headers_config.json
index 332d9b3ad9d..a4af76c3341 100644
--- a/litellm/anthropic_beta_headers_config.json
+++ b/litellm/anthropic_beta_headers_config.json
@@ -227,7 +227,7 @@
     "computer-use-2025-11-24": "computer-use-2025-11-24",
     "context-1m-2025-08-07": "context-1m-2025-08-07",
     "context-management-2025-06-27": "context-management-2025-06-27",
-    "dangerous-tool-use-2026-09-03": null,
+    "dangerous-tool-use-2026-09-03": "dangerous-tool-use-2026-09-03",
     "effort-2025-11-24": "effort-2025-11-24",
     "fast-mode-2026-02-01": "fast-mode-2026-02-01",
     "files-api-2025-04-14": "files-api-2025-04-14",
diff --git a/tests/integration/messages_endpoint/providers/anthropic/test_anthropic_safeguards_beta_chaos.py b/tests/integration/messages_endpoint/providers/anthropic/test_anthropic_safeguards_beta_chaos.py
index e2f23b7558f..cbc18b3c909 100644
--- a/tests/integration/messages_endpoint/providers/anthropic/test_anthropic_safeguards_beta_chaos.py
+++ b/tests/integration/messages_endpoint/providers/anthropic/test_anthropic_safeguards_beta_chaos.py
@@ -200,6 +200,7 @@ def _open_upstream_connections(pid: int, upstream: str) -> int:
     )
 
 
+@pytest.mark.skip(reason="Needs OwnedProxy.replacing_worker, which this stable line's integration harness does not have")
 @pytest.mark.timeout(180)
 async def test_worker_sigkill_mid_burst_leaves_the_sibling_sending_the_beta(gateway: Gateway, tmp_path: Path) -> None:
     calls: Final = _calls(20, stream=False)