diff --git a/docker-compose.yml b/docker-compose.yml
index 4ea3762..5e69716 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -67,3 +67,7 @@ services:
       - "6379:6379"
     networks:
       - app-network
+
+volumes:
+  data-mssql:
+    external: true