diff --git a/docker-compose.yml b/docker-compose.yml
index 6f26ae1..5c9d231 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,6 +6,7 @@ services:
       - './config.json:/nullcatchan/config.json:ro'
       - './font.ttf:/nullcatchan/font.ttf:ro'
       - './data:/nullcatchan/data'
+      - './ngwords.txt:/nullcatchan/ngwords.txt'
     restart: always
     environment:
       TZ: Asia/Tokyo