diff --git a/postinstall b/postinstall
index 30eb67e..cd51411 100755
--- a/postinstall
+++ b/postinstall
@@ -32,7 +32,7 @@ set -uo pipefail
 PROG=$(basename "$0")
 
 # Required tools for usage in postinstall
-REQUIRED_TOOLS="curl ifupdown2 git gron ipmitool libsasl2-modules lsb-release libpve-network-perl postfix ssl-cert"
+REQUIRED_TOOLS="curl ifupdown2 git gron ipmitool libsasl2-modules lsb-release libpve-network-perl postfix ssl-cert systemd-boot"
 
 # Optional tools to install
 OPTIONAL_TOOLS="dnsutils ethtool htop iftop jq lshw lsscsi mc net-tools nvme-cli rpl screen smartmontools sudo sysstat tmux unzip vim"