diff --git a/nanobot/providers/anthropic_oauth.py b/nanobot/providers/anthropic_oauth.py
index 52dcaa8..3415b3a 100644
--- a/nanobot/providers/anthropic_oauth.py
+++ b/nanobot/providers/anthropic_oauth.py
@@ -5,12 +5,10 @@ which require Authorization: Bearer header instead of x-api-key.
 """
 
 import json
-import logging
 from typing import Any
 
 import httpx
-
-logger = logging.getLogger(__name__)
+from loguru import logger
 
 from nanobot.providers.base import LLMProvider, LLMResponse, ToolCallRequest
 from nanobot.providers.oauth_utils import get_auth_headers, get_claude_code_system_prefix