diff --git a/docker-compose.yml b/docker-compose.yml
index d7c4887..dd736d5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -51,3 +51,6 @@ services:
     restart: unless-stopped
     ports:
       - "3000:3000"
+
+volumes:
+  postgres_data: