diff --git a/docker-compose.yml b/docker-compose.yml
index 981237bc..37f0cc88 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -21,6 +21,7 @@ services:
             DB_DATABASE: main
             TENANCY_TEST_REDIS_HOST: redis
             TENANCY_TEST_MYSQL_HOST: mysql
+            TENANCY_TEST_MSSQL_HOST: mssql
             TENANCY_TEST_PGSQL_HOST: postgres
         stdin_open: true
         tty: true