diff --git a/Dockerfile b/Dockerfile
index 016bc5d28d4807b28de4895afd558ead47d5c628..dfb01a67fc0d13361182a0a02292a2d9d48aa1b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 FROM openjdk:11
 
 ENV DEBIAN_FRONTEND noninteractive
+RUN apt-get update && apt-get install -y graphviz && rm -rf /var/lib/apt/lists/*
+
 ENV HOME /home/user
 RUN useradd --create-home --home-dir $HOME user \
     && chmod -R u+rwx $HOME \