diff --git a/readme.md b/readme.md
index fcacab9..3c9a4e0 100644
--- a/readme.md
+++ b/readme.md
@@ -80,7 +80,9 @@ from various contexts of CA, CI and OCI / OS.
 * implement project repository cloning
 * install
   * epel
+    * plantuml
     * shellcheck
+  * graphviz
   * openssh
   * pip
     * ruff
diff --git a/spcd/__init__.py b/spcd/__init__.py
index 0549dc0..d38a0a3 100644
--- a/spcd/__init__.py
+++ b/spcd/__init__.py
@@ -7,6 +7,7 @@ from pathlib import Path
 
 from rwx import fs
 from rwx.log import stream as log
+from rwx.ps import run
 
 import spcd
 from spcd import cmd
@@ -35,6 +36,13 @@ def main(main: str) -> None:
     if name == "__main__.py":
         spcd.set_ssh(*arguments)
         spcd.install_commands(main)
+        # FIXME abstract command
+        run(
+            "apt-get",
+            "install",
+            "--assume-yes",
+            "graphviz",
+        )
     else:
         function = getattr(cmd, name.replace("-", "_"))
         function(*arguments)