diff --git a/Dockerfile b/Dockerfile
index d02592e..53dea43 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
 FROM eclipse-temurin:17-jre-jammy
 
+
 WORKDIR /usr/local/structurizr-cli/
 ENV PATH /usr/local/structurizr-cli/:$PATH
 COPY build/distributions/structurizr-cli-*.zip ./
-RUN apt-get update && apt-get install -y unzip && rm -rf /var/lib/apt/lists/*
+RUN apt-get update --allow-insecure-repositories && apt-get install -y unzip  && apt install -y graphviz && rm -rf /var/lib/apt/lists/*
 RUN unzip /usr/local/structurizr-cli/structurizr-cli-*.zip && chmod +x structurizr.sh
 WORKDIR /usr/local/structurizr/