diff --git a/blueprints/rag/logic.py b/blueprints/rag/logic.py
index f281519..2d5772f 100644
--- a/blueprints/rag/logic.py
+++ b/blueprints/rag/logic.py
@@ -38,6 +38,7 @@ def _get_vector_store() -> PGVector:
             connection=_pgvector_url,
             use_jsonb=True,
             create_extension=False,  # created by docker init script
+            async_mode=True,
         )
     return _vector_store