diff --git a/Dockerfile b/Dockerfile
index d9bb7f3..e0dcdfc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM alpine:3.12
-RUN apk update && apk add --no-cache bash git openssh python3 py3-pip
+RUN apk update && apk add --no-cache bash git openssh python3 py3-pip graphviz
 
 RUN python3 -m pip install --upgrade pip setuptools wheel pyparsing pydot django-extensions django