diff --git a/lightrag/kg/postgres_impl.py b/lightrag/kg/postgres_impl.py
index 1e96d978..2394ecb4 100644
--- a/lightrag/kg/postgres_impl.py
+++ b/lightrag/kg/postgres_impl.py
@@ -1323,7 +1323,7 @@ class ClientManager:
             ),
             "max_connections": os.environ.get(
                 "POSTGRES_MAX_CONNECTIONS",
-                config.get("postgres", "max_connections", fallback=20),
+                config.get("postgres", "max_connections", fallback=50),
             ),
             # SSL configuration
             "ssl_mode": os.environ.get(