diff --git a/images/debian.yaml b/images/debian.yaml
index b2ff54fe..097ecd10 100644
--- a/images/debian.yaml
+++ b/images/debian.yaml
@@ -1274,6 +1274,12 @@ packages:
     architectures:
     - arm64
 
+  - packages:
+    - cloud-guest-utils
+    action: install
+    types:
+    - vm
+
   - packages:
     - shim-signed
     action: install
@@ -1430,6 +1436,29 @@ actions:
   types:
   - vm
 
+- trigger: post-files
+  action: |-
+    #!/bin/sh
+    set -eux
+
+    # Automatic disk resize
+    cat << EOF > /etc/systemd/system/incus-growpart.service
+    [Unit]
+    Description=Incus - grow root partition
+
+    [Service]
+    Type=oneshot
+    ExecStartPre=-/usr/bin/growpart /dev/sda 2
+    ExecStart=/sbin/resize2fs /dev/sda2
+
+    [Install]
+    WantedBy=default.target
+    EOF
+
+    systemctl enable incus-growpart
+  types:
+  - vm
+
 - trigger: post-files
   action: |-
     #!/bin/sh