diff --git a/ironic/map.jinja b/ironic/map.jinja
index ff55015..0436d3f 100644
--- a/ironic/map.jinja
+++ b/ironic/map.jinja
@@ -26,7 +26,7 @@
         'notification': {}
     },
     'Debian': {
-        'pkgs': ['ipmitool', 'ironic-conductor', 'tftpd-hpa', 'syslinux-common', 'pxelinux', 'ipxe'],
+        'pkgs': ['ipmitool', 'ironic-conductor', 'tftpd-hpa', 'syslinux-common', 'pxelinux', 'ipxe', 'gdisk'],
         'uefi_pkgs': ['grub-efi-amd64-signed', 'shim-signed'],
         'pxelinux_path': '/usr/lib/PXELINUX',
         'syslinux_files': ['chain.c32', 'libcom32.c32', 'libutil.c32', 'ldlinux.c32'],
@@ -48,7 +48,7 @@
         },
     },
     'RedHat': {
-        'pkgs': ['ipmitool', 'ironic-conductor', 'tftp-server', 'syslinux-extlinux', 'ipxe-bootimgs'],
+        'pkgs': ['ipmitool', 'ironic-conductor', 'tftp-server', 'syslinux-extlinux', 'ipxe-bootimgs', 'gdisk'],
         'uefi_pkgs': ['grub2-efi', 'shim'],
         'pxelinux_path': '/usr/share/syslinux',
         'syslinux_files': ['chain.c32'],