diff --git a/docker-compose.yml b/docker-compose.yml
index 484ce26..bdfa271 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,6 +3,7 @@
 services:
   mdbook:
     container_name: nihil-unbound
+    restart: always
     # https://hub.docker.com/r/peaceiris/mdbook/tags
     image: peaceiris/mdbook:v0.4.31-rust
 #    stdin_open: true