diff --git a/backend/db.py b/backend/db.py
index 90805d6..bb2f3fe 100644
--- a/backend/db.py
+++ b/backend/db.py
@@ -29,7 +29,7 @@ def get_sync_pool() -> psycopg2.pool.ThreadedConnectionPool:
     global _sync_pool
     if _sync_pool is None:
         _sync_pool = psycopg2.pool.ThreadedConnectionPool(
-            minconn=1, maxconn=5,
+            minconn=2, maxconn=20,
             host=PG_HOST, port=PG_PORT,
             dbname=PG_DB, user=PG_USER, password=PG_PASS,
         )