diff --git a/src/dolibarr_mcp/config.py b/src/dolibarr_mcp/config.py
index a81a802..f71306e 100644
--- a/src/dolibarr_mcp/config.py
+++ b/src/dolibarr_mcp/config.py
@@ -91,7 +91,7 @@ class Config(BaseModel):
             print()
             raise
     
-    class Config:
-        """Pydantic config."""
+    class Settings:
+        """Pydantic settings configuration."""
         env_file = '.env'
         env_file_encoding = 'utf-8'