diff --git a/ippisite/Dockerfile b/ippisite/Dockerfile
index 84a8e92b83d2974cf54cd52a2f43bd93fb39ba24..f241bb4408c994c85fcf1d82cba852f8790972cf 100644
--- a/ippisite/Dockerfile
+++ b/ippisite/Dockerfile
@@ -16,6 +16,7 @@ RUN addgroup --gid 1000 kiwi \
         gettext \
         python3-dev \
         python3-openbabel \
+        graphviz \
         graphviz-dev \
  && rm -rf /var/lib/apt/lists/* \
  && python -m pip install --upgrade pip setuptools \