diff --git a/docker-compose.yml b/docker-compose.yml
index 08f7ac7..3644426 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,11 @@ version: "3.7"
 networks:
         external:
                 external: true
-          
+
+volumes:
+        otm_db:
+
+
 services:
         otm:
                 build: ./