diff --git a/dockerfiles/bookworm.Dockerfile b/dockerfiles/bookworm.Dockerfile
index 05b271f..9863d78 100644
--- a/dockerfiles/bookworm.Dockerfile
+++ b/dockerfiles/bookworm.Dockerfile
@@ -17,6 +17,8 @@ ENV RACK_ENV="production" \
   BUNDLE_WITHOUT="development test" \
   RUBY_YJIT_ENABLE=true
 
+ENV DEBIAN_FRONTEND="noninteractive"
+
 FROM base AS build
 
 RUN <<EOT