diff --git a/litellm/anthropic_beta_headers_config.json b/litellm/anthropic_beta_headers_config.json
index 9b79a38214c..df8d49ac8f2 100644
--- a/litellm/anthropic_beta_headers_config.json
+++ b/litellm/anthropic_beta_headers_config.json
@@ -127,7 +127,7 @@
     "compact-2026-01-12": null,
     "computer-use-2025-01-24": "computer-use-2025-01-24",
     "computer-use-2025-11-24": "computer-use-2025-11-24",
-    "context-1m-2025-08-07": null,
+    "context-1m-2025-08-07": "context-1m-2025-08-07",
     "context-management-2025-06-27": "context-management-2025-06-27",
     "effort-2025-11-24": null,
     "fast-mode-2026-02-01": null,
@@ -179,4 +179,4 @@
     "web-fetch-2025-09-10": "web-fetch-2025-09-10",
     "web-search-2025-03-05": "web-search-2025-03-05"
   }
-}
\ No newline at end of file
+}