diff --git a/litellm/types/llms/anthropic.py b/litellm/types/llms/anthropic.py
index 639b98cdcad..0cd1de32d36 100644
--- a/litellm/types/llms/anthropic.py
+++ b/litellm/types/llms/anthropic.py
@@ -613,7 +613,7 @@ ANTHROPIC_API_ONLY_HEADERS = {  # fails if calling anthropic on vertex ai / bedr
 
 
 class AnthropicThinkingParam(TypedDict, total=False):
-    type: Literal["enabled"]
+    type: Literal["enabled", "adaptive"]
     budget_tokens: int