diff --git a/langchain/docker-compose.yaml b/langchain/docker-compose.yaml
index d1558cdb..27b43493 100644
--- a/langchain/docker-compose.yaml
+++ b/langchain/docker-compose.yaml
@@ -25,5 +25,5 @@ services:
       - POSTGRES_PASSWORD=postgres
       - POSTGRES_USER=postgres
       - POSTGRES_DB=postgres
-    ports:
+    expose:
       - 5432:5432