diff --git a/node/10-user/Dockerfile b/node/10-user/Dockerfile
index 28fda1f7..e2d5c6bb 100644
--- a/node/10-user/Dockerfile
+++ b/node/10-user/Dockerfile
@@ -14,6 +14,14 @@
 
 FROM node:10-stretch
 
+# Add Graphviz
+RUN set -ex; \
+  apt-get update -y; \
+  apt-get install -y \
+    graphviz \
+    ; \
+  rm -rf /var/lib/apt/lists/*
+
 USER node
 
 RUN curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
diff --git a/node/11-user/Dockerfile b/node/11-user/Dockerfile
index 556ee590..64909fce 100644
--- a/node/11-user/Dockerfile
+++ b/node/11-user/Dockerfile
@@ -14,6 +14,14 @@
 
 FROM node:11-stretch
 
+# Add Graphviz
+RUN set -ex; \
+  apt-get update -y; \
+  apt-get install -y \
+    graphviz \
+    ; \
+  rm -rf /var/lib/apt/lists/*
+
 USER node
 
 RUN curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
diff --git a/node/12-user/Dockerfile b/node/12-user/Dockerfile
index a5038ebe..d183844a 100644
--- a/node/12-user/Dockerfile
+++ b/node/12-user/Dockerfile
@@ -14,6 +14,14 @@
 
 FROM node:12-stretch
 
+# Add Graphviz
+RUN set -ex; \
+  apt-get update -y; \
+  apt-get install -y \
+    graphviz \
+    ; \
+  rm -rf /var/lib/apt/lists/*
+
 USER node
 
 RUN curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash