diff --git a/litellm/anthropic_beta_headers_config.json b/litellm/anthropic_beta_headers_config.json
index 0e0eeff83fe..7bb4c6e58df 100644
--- a/litellm/anthropic_beta_headers_config.json
+++ b/litellm/anthropic_beta_headers_config.json
@@ -34,7 +34,9 @@
     "token-efficient-tools-2025-02-19": "token-efficient-tools-2025-02-19",
     "web-fetch-2025-09-10": "web-fetch-2025-09-10",
     "web-search-2025-03-05": "web-search-2025-03-05",
-    "mid-conversation-output-config-2026-07-01": "mid-conversation-output-config-2026-07-01"
+    "mid-conversation-output-config-2026-07-01": "mid-conversation-output-config-2026-07-01",
+    "thinking-display-updates-2026-08-18": "thinking-display-updates-2026-08-18",
+    "mid-conversation-tool-changes-2026-07-01": "mid-conversation-tool-changes-2026-07-01"
   },
   "azure_ai": {
     "advisor-tool-2026-03-01": null,
@@ -136,7 +138,9 @@
     "tool-search-tool-2025-10-19": "tool-search-tool-2025-10-19",
     "web-fetch-2025-09-10": null,
     "web-search-2025-03-05": null,
-    "mid-conversation-output-config-2026-07-01": "mid-conversation-output-config-2026-07-01"
+    "mid-conversation-output-config-2026-07-01": "mid-conversation-output-config-2026-07-01",
+    "thinking-display-updates-2026-08-18": "thinking-display-updates-2026-08-18",
+    "mid-conversation-tool-changes-2026-07-01": "mid-conversation-tool-changes-2026-07-01"
   },
   "bedrock_mantle": {
     "advanced-tool-use-2025-11-20": "tool-search-tool-2025-10-19",