diff --git a/Dockerfile b/Dockerfile
index 02cc64b..bccc2c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 FROM docker.io/asciidoctor/docker-asciidoctor:1.47.0
 
+RUN apk add --no-cache ghostscript
 RUN gem install asciidoctor-lists rghost
 COPY fonts /fonts
 COPY theme /theme