diff --git a/pgvector/psycopg/vector.py b/pgvector/psycopg/vector.py
index 55e31a6..0f62ca9 100644
--- a/pgvector/psycopg/vector.py
+++ b/pgvector/psycopg/vector.py
@@ -1,3 +1,4 @@
+import psycopg
 from psycopg.adapt import Loader, Dumper
 from psycopg.pq import Format
 from ..utils import Vector