diff --git a/raspi.sh b/raspi.sh
index 42ea3b1..85da153 100644
--- a/raspi.sh
+++ b/raspi.sh
@@ -7,6 +7,7 @@
 which pip >/dev/null 2>&1 || ( sudo DEBIAN_FRONTEND=noninteractive apt-get -yy install python3-pip )
 which git >/dev/null 2>&1 || ( sudo DEBIAN_FRONTEND=noninteractive apt-get -yy install git )
 which ansible >/dev/null 2>&1 || ( sudo DEBIAN_FRONTEND=noninteractive apt-get -yy install ansible ; sudo pip install ansible ; sudo DEBIAN_FRONTEND=noninteractive apt-get -yy remove --purge ansible)
+sudo DEBIAN_FRONTEND=noninteractive apt-get -yy install python3-yaml
 
 # run ansible playbooks
 for playbook in debian.ansible.basics \