diff --git a/clients/rsk-testnet-6.json b/clients/rsk-testnet-6.json
new file mode 100644
index 0000000..5f29f93
--- /dev/null
+++ b/clients/rsk-testnet-6.json
@@ -0,0 +1,4 @@
+{
+  "name": "rsk-testnet-6",
+  "public_key": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl1p4+F536/peA4XWMJtm\njggPl6yJb42V5bg3kDa8SHoIoQgXn59d3BclZ1Oz2+JhFd3Rrn4FN3Z1wzGpP+gA\nnxQOfgRG1ucahh7Nxaw3IdoHm7r/EdEOc9FrxvGJ+09YnmLfzn4iVQpsUiOiNVS7\n0LXtMXYtsjD+o6BTbOhGU8FMmGhMhQfXFVgoDdTiM/Q62zPw8Vtpa3yFpFJAu+dA\n+mm5h5W6FnaWJXM2arn3PxDOt+JQSWp5PYG4goU1FFreU9iFuoeGEfLy8unlbbXt\ne96QhNuCkOA15xqta0Z3oL7IlXWns7dLgZYlpZT9zaExIs3AEDaQcleacQPzXKSG\nswIDAQAB\n-----END PUBLIC KEY-----\n"
+}
\ No newline at end of file
diff --git a/nodes/rsk-testnet-6.json b/nodes/rsk-testnet-6.json
new file mode 100644
index 0000000..a7c4ee0
--- /dev/null
+++ b/nodes/rsk-testnet-6.json
@@ -0,0 +1,60 @@
+{
+  "name": "rsk-testnet-6",
+  "normal": {
+    "knife_zero": {
+      "host": "10.1.1.20"
+    }
+  },
+  "automatic": {
+    "fqdn": "rsk-testnet-6",
+    "os": "linux",
+    "os_version": "6.8.0-107-generic",
+    "hostname": "rsk-testnet-6",
+    "ipaddress": "192.168.122.231",
+    "roles": [
+      "base",
+      "kvm_guest",
+      "rskj_testnet"
+    ],
+    "recipes": [
+      "kosmos-base",
+      "kosmos-base::default",
+      "kosmos_kvm::guest",
+      "kosmos_rsk::rskj",
+      "apt::default",
+      "timezone_iii::default",
+      "timezone_iii::debian",
+      "kosmos-base::journald_conf",
+      "kosmos-base::systemd_emails",
+      "apt::unattended-upgrades",
+      "kosmos-base::firewall",
+      "kosmos-postfix::default",
+      "postfix::default",
+      "postfix::_common",
+      "postfix::_attributes",
+      "postfix::sasl_auth",
+      "hostname::default",
+      "kosmos_rsk::firewall",
+      "firewall::default"
+    ],
+    "platform": "ubuntu",
+    "platform_version": "24.04",
+    "cloud": null,
+    "chef_packages": {
+      "chef": {
+        "version": "18.10.17",
+        "chef_root": "/opt/chef/embedded/lib/ruby/gems/3.1.0/gems/chef-18.10.17/lib",
+        "chef_effortless": null
+      },
+      "ohai": {
+        "version": "18.2.13",
+        "ohai_root": "/opt/chef/embedded/lib/ruby/gems/3.1.0/gems/ohai-18.2.13/lib/ohai"
+      }
+    }
+  },
+  "run_list": [
+    "role[base]",
+    "role[kvm_guest]",
+    "role[rskj_testnet]"
+  ]
+}
diff --git a/site-cookbooks/kosmos_rsk/Berksfile b/site-cookbooks/kosmos_rsk/Berksfile
index 8206ad0..5f92c96 100644
--- a/site-cookbooks/kosmos_rsk/Berksfile
+++ b/site-cookbooks/kosmos_rsk/Berksfile
@@ -1,5 +1,8 @@
 source 'https://supermarket.chef.io'
 
-cookbook 'kosmos-nginx', path: '../../site-cookbooks/kosmos-nginx'
+cookbook 'kosmos_openresty', path: '../../site-cookbooks/kosmos_openresty'
+cookbook 'kosmos-base', path: '../../site-cookbooks/kosmos-base'
+cookbook 'openresty', path: '../../site-cookbooks/openresty'
+cookbook 'kosmos-postfix', path: '../../site-cookbooks/kosmos-postfix'
 
 metadata
diff --git a/site-cookbooks/kosmos_rsk/attributes/default.rb b/site-cookbooks/kosmos_rsk/attributes/default.rb
index ae59908..ae94f62 100644
--- a/site-cookbooks/kosmos_rsk/attributes/default.rb
+++ b/site-cookbooks/kosmos_rsk/attributes/default.rb
@@ -1,4 +1,4 @@
-node.default['rskj']['version'] = '7.0.0~jammy'
+node.default['rskj']['version'] = "9.0.1~#{node['lsb']['codename']}"
 node.default['rskj']['network'] = 'testnet'
 
 node.default['rskj']['nginx']['domain'] = nil
diff --git a/site-cookbooks/kosmos_rsk/kitchen.yml b/site-cookbooks/kosmos_rsk/kitchen.yml
index 01cca76..28f774b 100644
--- a/site-cookbooks/kosmos_rsk/kitchen.yml
+++ b/site-cookbooks/kosmos_rsk/kitchen.yml
@@ -34,9 +34,9 @@ verifier:
   name: inspec
 
 platforms:
-  - name: ubuntu-22.04
+  - name: ubuntu-24.04
     driver:
-      image: dokken/ubuntu-22.04
+      image: dokken/ubuntu-24.04
       privileged: true
       pid_one_command: /usr/lib/systemd/systemd
       intermediate_instructions:
diff --git a/site-cookbooks/kosmos_rsk/metadata.rb b/site-cookbooks/kosmos_rsk/metadata.rb
index 6065952..a617641 100644
--- a/site-cookbooks/kosmos_rsk/metadata.rb
+++ b/site-cookbooks/kosmos_rsk/metadata.rb
@@ -3,7 +3,7 @@ maintainer 'Kosmos Developers'
 maintainer_email 'ops@kosmos.org'
 license 'MIT'
 description 'Installs/configures RSKj and related software'
-version '0.4.0'
+version '0.5.0'
 chef_version '>= 18.2'
 issues_url 'https://gitea.kosmos.org/kosmos/chef/issues'
 source_url 'https://gitea.kosmos.org/kosmos/chef'
diff --git a/site-cookbooks/kosmos_rsk/recipes/rskj.rb b/site-cookbooks/kosmos_rsk/recipes/rskj.rb
index 4299b00..3008473 100644
--- a/site-cookbooks/kosmos_rsk/recipes/rskj.rb
+++ b/site-cookbooks/kosmos_rsk/recipes/rskj.rb
@@ -20,10 +20,19 @@ apt_repository 'rskj' do
 end
 
 apt_package 'openjdk-17-jdk'
+apt_package 'debconf-utils'
+
+execute 'preseed-rskj-license' do
+  command 'echo "rskj shared/accepted-rsk-license-v1-1 boolean true" | debconf-set-selections'
+  not_if 'debconf-get-selections | grep -q "shared/accepted-rsk-license-v1-1.*true"'
+end
+
+execute 'preseed-rskj-config' do
+  command "echo \"rskj shared/config select #{node['rskj']['network']}\" | debconf-set-selections"
+  not_if "debconf-get-selections | grep -q \"shared/config.*#{node['rskj']['network']}\""
+end
 
 apt_package 'rskj' do
-  response_file 'rskj-preseed.cfg.erb'
-  response_file_variables network: node['rskj']['network']
   options '--assume-yes'
   version node['rskj']['version']
 end
diff --git a/site-cookbooks/kosmos_rsk/templates/rskj-preseed.cfg.erb b/site-cookbooks/kosmos_rsk/templates/rskj-preseed.cfg.erb
index 28c9efe..d0b825b 100644
--- a/site-cookbooks/kosmos_rsk/templates/rskj-preseed.cfg.erb
+++ b/site-cookbooks/kosmos_rsk/templates/rskj-preseed.cfg.erb
@@ -1,6 +1,6 @@
 #_preseed_V1
 # Do you agree to the terms of the applicable licenses?
-rskj shared/accepted-rsk-license-v1-1 select true
+rskj shared/accepted-rsk-license-v1-1 boolean true
 # Choose a configuration environment to run your node.
 # Choices: mainnet, testnet, regtest
 rskj shared/config select <%= @network %>
diff --git a/site-cookbooks/kosmos_rsk/test/integration/rskj/rskj_test.rb b/site-cookbooks/kosmos_rsk/test/integration/rskj/rskj_test.rb
index aec46de..0b9173f 100644
--- a/site-cookbooks/kosmos_rsk/test/integration/rskj/rskj_test.rb
+++ b/site-cookbooks/kosmos_rsk/test/integration/rskj/rskj_test.rb
@@ -9,7 +9,7 @@ end
 
 describe package('rskj') do
   it { should be_installed }
-  its('version') { should eq '7.0.0~jammy' }
+  its('version') { should eq '9.0.1~noble' }
 end
 
 describe service('rsk') do