diff --git a/appliances/alpine-linux-virt.gns3a b/appliances/alpine-linux-virt.gns3a
index fcfc7bf..ae6971b 100644
--- a/appliances/alpine-linux-virt.gns3a
+++ b/appliances/alpine-linux-virt.gns3a
@@ -25,6 +25,14 @@
         "kvm": "allow"
     },
     "images": [
+        {
+            "filename": "alpine-virt-3.18.4.qcow2",
+            "version": "3.18.4",
+            "md5sum": "5a2df124b1b2b2ede01fc0ec0ca685f6",
+            "filesize": 50989056,
+            "download_url": "https://drive.google.com/file/d/1QLXafdEJm6hwInMzoo8HrZWC04Hspm-U/view?usp=share_link",
+            "direct_download_url": "https://drive.google.com/uc?id=1QLXafdEJm6hwInMzoo8HrZWC04Hspm-U&export=download"
+        },
         {
             "filename": "alpine-virt-3.16.img",
             "version": "3.16",
@@ -35,6 +43,12 @@
         }
     ],
     "versions": [
+        {
+            "name": "3.18.4",
+            "images": {
+                "hda_disk_image": "alpine-virt-3.18.4.qcow2"
+            }
+        },
         {
             "name": "3.16",
             "images": {
diff --git a/packer/alpine-linux-virt/README.md b/packer/alpine-linux-virt/README.md
index 0405ca5..3fbe7eb 100644
--- a/packer/alpine-linux-virt/README.md
+++ b/packer/alpine-linux-virt/README.md
@@ -1,8 +1,8 @@
 # Packer for Alpine (Virt) GNS3 appliance
 
-This is the bare version of `Alpine Linux` installed from iso, no extra package added.
+This is the bare version of `Alpine Linux` installed from iso, no extra package added. From `v3.18.4`, the image file goes from 100MB to 200MB, and is using `qcow2` format to allow compression.
 
-Build in 1m12s on `macOS Monterey`.
+Build in 1m14s on `macOS Monterey`.
 
 ### Linux (tested)
 
@@ -20,3 +20,9 @@ packer build -var-file macos.json alpine.json
 ```
 
 > :information_source: Uses `hvf` QEMU accelerator. `Packer` will fail on `macOS` without `hvf` (timing issue).
+
+See:
+- https://wiki.alpinelinux.org/wiki/Alpine_setup_scripts#setup-disk
+- https://wiki.alpinelinux.org/wiki/Enable_Serial_Console_on_Boot#Example_.2Fboot.2Fextlinux.conf
+- https://wiki.alpinelinux.org/wiki/Install_to_disk
+- https://www.packer.io/plugins/builders/qemu
diff --git a/packer/alpine-linux-virt/alpine.json b/packer/alpine-linux-virt/alpine.json
index de1718c..62a4ad8 100644
--- a/packer/alpine-linux-virt/alpine.json
+++ b/packer/alpine-linux-virt/alpine.json
@@ -1,6 +1,7 @@
 {
     "variables": {
-        "accelerator": "kvm"
+        "accelerator": "kvm",
+        "img_name": "alpine-virt-3.18.4"
     },
     "builders": [
         {
@@ -8,11 +9,11 @@
             "type": "qemu",
             "accelerator": "{{ user `accelerator` }}",
             "use_default_display": true,
-            "iso_url": "https://dl-cdn.alpinelinux.org/alpine/v3.16/releases/x86_64/alpine-virt-3.16.2-x86_64.iso",
-            "iso_checksum": "6c7cb998ec2c8925d5a1239410a4d224b771203f916a18f8015f31169dd767a2",
+            "iso_url": "https://dl-cdn.alpinelinux.org/alpine/v3.18/releases/x86_64/alpine-virt-3.18.4-x86_64.iso",
+            "iso_checksum": "24d79bc148c05a864c2914dfa41a6ffbf808973e44de88c7700d30b4517965b2",
             "http_directory": "./files",
-            "vm_name": "alpine-virt-3.16.img",
-            "disk_size": "92M",
+            "vm_name": "{{ user `img_name` }}.img",
+            "disk_size": "200M",
             "format": "raw",
             "qemu_img_args": {
                 "create": ["-o", "preallocation=off"]
@@ -31,5 +32,14 @@
                 "poweroff<enter>"
             ]
         }
+    ],
+    "post-processors": [
+        {
+            "type": "shell-local",
+            "inline": [
+                "qemu-img convert -c -O qcow2 output-qemu/{{ user `img_name` }}.img output-qemu/{{ user `img_name` }}.qcow2",
+                "rm output-qemu/{{ user `img_name` }}.img"
+            ]
+        }
     ]
 }