diff --git a/python/python/lancedb/__init__.py b/python/python/lancedb/__init__.py
index 6c542852..798e7d11 100644
--- a/python/python/lancedb/__init__.py
+++ b/python/python/lancedb/__init__.py
@@ -107,6 +107,9 @@ def connect(
             request_thread_pool=request_thread_pool,
             **kwargs,
         )
+
+    if kwargs:
+        raise ValueError(f"Unknown keyword arguments: {kwargs}")
     return LanceDBConnection(uri, read_consistency_interval=read_consistency_interval)