diff --git a/README.md b/README.md
index 0738deb..9b3f1f9 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,6 @@ $ alias dotfiles='/usr/bin/git --git-dir=$HOME/.dotfiles/ --work-tree=$HOME'
 $ dotfiles checkout
 $ dotfiles config --local status.showUntrackedFiles no
 $ cd .local/share/dotfiles
-$ poetry run ansible-playbook -i inventory.ini --ask-become-pass install_dev_tools.yml
+$ poetry install && poetry run ansible-playbook -i inventory.ini --ask-become-pass install_dev_tools.yml
 ```