diff --git a/os_pkrvars/ubuntu/ubuntu-22.04-aarch64.pkrvars.hcl b/os_pkrvars/ubuntu/ubuntu-22.04-aarch64.pkrvars.hcl
index 35e379886..e49428e2b 100644
--- a/os_pkrvars/ubuntu/ubuntu-22.04-aarch64.pkrvars.hcl
+++ b/os_pkrvars/ubuntu/ubuntu-22.04-aarch64.pkrvars.hcl
@@ -1,7 +1,7 @@
 os_name                 = "ubuntu"
 os_version              = "22.04"
 os_arch                 = "aarch64"
-iso_url                 = "https://cdimage.ubuntu.com/releases/jammy/release/ubuntu-22.04.3-live-server-arm64.iso"
+iso_url                 = "https://cdimage.ubuntu.com/releases/jammy/release/ubuntu-22.04.4-live-server-arm64.iso"
 iso_checksum            = "file:https://cdimage.ubuntu.com/releases/jammy/release/SHA256SUMS"
 parallels_guest_os_type = "ubuntu"
 vbox_guest_os_type      = "Ubuntu_64"
diff --git a/os_pkrvars/ubuntu/ubuntu-22.04-x86_64.pkrvars.hcl b/os_pkrvars/ubuntu/ubuntu-22.04-x86_64.pkrvars.hcl
index 7475a60a4..c4f1bb6fe 100644
--- a/os_pkrvars/ubuntu/ubuntu-22.04-x86_64.pkrvars.hcl
+++ b/os_pkrvars/ubuntu/ubuntu-22.04-x86_64.pkrvars.hcl
@@ -1,7 +1,7 @@
 os_name                 = "ubuntu"
 os_version              = "22.04"
 os_arch                 = "x86_64"
-iso_url                 = "https://releases.ubuntu.com/jammy/ubuntu-22.04.3-live-server-amd64.iso"
+iso_url                 = "https://releases.ubuntu.com/jammy/ubuntu-22.04.4-live-server-amd64.iso"
 iso_checksum            = "file:https://releases.ubuntu.com/jammy/SHA256SUMS"
 parallels_guest_os_type = "ubuntu"
 vbox_guest_os_type      = "Ubuntu_64"
diff --git a/packer_templates/http/ubuntu/user-data b/packer_templates/http/ubuntu/user-data
index 24598df56..bd5b64355 100644
--- a/packer_templates/http/ubuntu/user-data
+++ b/packer_templates/http/ubuntu/user-data
@@ -14,7 +14,7 @@ autoinstall:
     allow-pw: yes
   late-commands:
     - sed -i 's/^#*\(send dhcp-client-identifier\).*$/\1 = hardware;/' /target/etc/dhcp/dhclient.conf
-    - 'sed -i "s/dhcp4: true/&\n dhcp-identifier: mac/" /target/etc/netplan/00-installer-config.yaml'
+    - 'sed -i "s/dhcp4: true/&\n      dhcp-identifier: mac/" /target/etc/netplan/00-installer-config.yaml'
     - echo 'vagrant ALL=(ALL) NOPASSWD:ALL' > /target/etc/sudoers.d/vagrant
     # Enable hyper-v daemons only if using hyper-v virtualization
     - if [ $(virt-what) == "hyperv" ]; then apt-get update && apt-get install -y hyperv-daemons linux-tools-$(uname -r) linux-cloud-tools-$(uname -r) linux-cloud-tools-common cifs-utils && systemctl enable hypervvssd && systemctl enable hypervkvpd && systemctl start hypervvssd && systemctl start hypervkvpd; fi