diff --git a/ubuntu/appdb/datahub-jupyter-ubuntu-20.04.yaml b/ubuntu/appdb/datahub-jupyter-ubuntu-20.04.yaml
deleted file mode 100644
index ed5535e..0000000
--- a/ubuntu/appdb/datahub-jupyter-ubuntu-20.04.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
----
-appdb:
-  version: 2024.01.02
-  expireson: 6
-  notes: Regular update
-  url: "https://api.cloud.ifca.es:8080/swift/v1/egi_endorsed_vas/DataHub-Jupyter-Ubuntu.20.04-2024.01.02.ova"
-  sha512: "086d6b80124a99c34ffb4769c398dad1daf3d5f41b68a8b5a0f3768c7608993c2c4d83b64e05f9cdd2e32cb10cd107aa4fbd8cc38cf7ce0d4535a1cae2d2d74f"
-  arch: x86_64
-  os:
-    family: Linux
-    name: Ubuntu
-    version: '20.04'
-  ram:
-    minimum: 1GB
-  format: OVA
-  hypervisor: VirtualBox
diff --git a/ubuntu/appdb/datahub-jupyter-ubuntu-22.04.yaml b/ubuntu/appdb/datahub-jupyter-ubuntu-22.04.yaml
new file mode 100644
index 0000000..5646dd2
--- /dev/null
+++ b/ubuntu/appdb/datahub-jupyter-ubuntu-22.04.yaml
@@ -0,0 +1,16 @@
+---
+appdb:
+  version: 2024.03.21
+  expireson: 6
+  notes: Updated base OS to Ubuntu 22.04
+  url: "https://api.cloud.ifca.es:8080/swift/v1/egi_endorsed_vas/DataHub-Jupyter-Ubuntu.22.04-2024.03.21.ova"
+  sha512: "f3ae1bfced91ea9e9b6813c82a2910457ea960718a0c3b6a35edc99627a1b0337cd2cb958da8fe107107745b9ebaf709c0357f88ec1427ff637dce6ff8b03060"
+  arch: x86_64
+  os:
+    family: Linux
+    name: Ubuntu
+    version: '22.04'
+  ram:
+    minimum: 1GB
+  format: OVA
+  hypervisor: VirtualBox
diff --git a/ubuntu/datahub-jupyter-ubuntu-20.04.json b/ubuntu/datahub-jupyter-ubuntu-22.04.json
similarity index 58%
rename from ubuntu/datahub-jupyter-ubuntu-20.04.json
rename to ubuntu/datahub-jupyter-ubuntu-22.04.json
index d51a17b..400f024 100644
--- a/ubuntu/datahub-jupyter-ubuntu-20.04.json
+++ b/ubuntu/datahub-jupyter-ubuntu-22.04.json
@@ -6,28 +6,26 @@
   "builders": [
     {
       "boot_command": [
-        "<up><wait><esc><f6><esc>",
-        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
-        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
-        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
-        "<bs><bs><bs><bs>",
-        "initrd=/casper/initrd --- autoinstall ",
-        "ds=nocloud-net;seedfrom=http://{{ .HTTPIP }}:{{ .HTTPPort }}/ ",
-        "PACKER_USER=ubuntu ",
-        "PACKER_AUTHORIZED_KEY={{ user `SSH_PUB_KEY` | urlquery }}",
-        "<wait><enter>"
+        "c<wait>",
+        "linux /casper/vmlinuz --- autoinstall ds=\"nocloud-net;seedfrom=http://{{.HTTPIP}}:{{.HTTPPort}}/\"",
+        " PACKER_USER=ubuntu PACKER_AUTHORIZED_KEY={{ user `SSH_PUB_KEY` | urlquery }}",
+        "<enter><wait>",
+        "initrd /casper/initrd",
+        "<enter><wait>",
+        "boot",
+        "<enter>"
       ],
-      "boot_wait": "3s",
+      "boot_wait": "5s",
       "disk_size": 8000,
       "format": "qcow2",
       "headless": true,
       "http_directory": "httpdir",
       "http_port_max": 8550,
       "http_port_min": 8500,
-      "iso_url": "https://releases.ubuntu.com/20.04/ubuntu-20.04.6-live-server-amd64.iso",
-      "iso_checksum": "sha256:b8f31413336b9393ad5d8ef0282717b2ab19f007df2e9ed5196c13d8f9153c8b",
+      "iso_url": "https://releases.ubuntu.com/jammy/ubuntu-22.04.4-live-server-amd64.iso",
+      "iso_checksum": "sha256:45f873de9f8cb637345d6e66a583762730bbea30277ef7b32c9c3bd6700a32b2",
       "memory": 1024,
-      "ssh_timeout": "25m",
+      "ssh_timeout": "20m",
       "ssh_clear_authorized_keys": true,
       "ssh_private_key_file": "{{ user `SSH_PRIVATE_KEY_FILE` }}",
       "shutdown_command": "sudo -- sh -c 'rm /etc/sudoers.d/99-egi-installation && shutdown -h now'",
@@ -36,7 +34,7 @@
       "qemuargs": [
           [ "-cpu", "host" ]
       ],
-      "vm_name": "DataHub-Jupyter-Ubuntu.20.04-2024.01.02"
+      "vm_name": "DataHub-Jupyter-Ubuntu.22.04-2024.03.21"
     }
   ],
   "provisioners": [
diff --git a/ubuntu/provisioners/datahub-jupyter.yaml b/ubuntu/provisioners/datahub-jupyter.yaml
index a55eb25..a560b55 100644
--- a/ubuntu/provisioners/datahub-jupyter.yaml
+++ b/ubuntu/provisioners/datahub-jupyter.yaml
@@ -20,16 +20,17 @@
         name: jovyan
         comment: Jupyter user
         shell: /bin/bash
-        uid: 1002
-    - name: Install micromamba
-      shell: |
-        wget -qO- https://micro.mamba.pm/api/micromamba/linux-64/latest | tar -xvj bin/micromamba
-        mv bin/micromamba /usr/local/bin/micromamba
     - name: install packages
       ansible.builtin.apt:
-        name: [nginx, acl]
+        name: [nginx, acl, bzip2]
         state: present
-    - name: Install foo
+    - name: Install micromamba
+      shell: |
+        curl -Ls https://micro.mamba.pm/api/micromamba/linux-64/latest | tar -xvj bin/micromamba
+        mv bin/micromamba /usr/local/bin/micromamba
+      args:
+        creates: /usr/local/bin/micromamba
+    - name: Install certbot
       community.general.snap:
         channel: latest
         classic: true
@@ -53,7 +54,7 @@
         mode: '0755'
     - name: Install jupyterhub using conda
       shell: |
-        micromamba install -y -c conda-forge -p /home/jovyan/micromamba jupyter jupyterlab jq
+        micromamba install -y -c conda-forge -p /home/jovyan/micromamba jupyter jupyterlab jupyter-collaboration jq
     - name: Get micromamba env
       shell: |
         micromamba shell init --shell=bash --prefix=/home/jovyan/micromamba || true
@@ -76,6 +77,11 @@
 
 - hosts: all
   become: true
+  handlers:
+    - name: Restart nginx
+      service:
+        state: reloaded
+        name: nginx
   tasks:
     - name: Create jupyter unit
       ansible.builtin.copy:
@@ -149,6 +155,8 @@
                 internal;
             }
           }
+      notify:
+        - Restart nginx
 
 - hosts: all
   become: true