diff --git a/litellm/llms/anthropic/experimental_pass_through/adapters/transformation.py b/litellm/llms/anthropic/experimental_pass_through/adapters/transformation.py
index d5ff48e22d6..197c1e811e4 100644
--- a/litellm/llms/anthropic/experimental_pass_through/adapters/transformation.py
+++ b/litellm/llms/anthropic/experimental_pass_through/adapters/transformation.py
@@ -815,7 +815,7 @@ class LiteLLMAnthropicMessagesAdapter:
                 name=truncated_name,
             )
             if "input_schema" in tool:
-                function_chunk["parameters"] = copy.copy(tool["input_schema"])  # type: ignore
+                function_chunk["parameters"] = copy.deepcopy(tool["input_schema"])  # type: ignore
             if "description" in tool:
                 function_chunk["description"] = tool["description"]  # type: ignore