diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index 88d8b2c9..a35ab713 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        image: ["debian:bullseye", "debian:bookworm"]
+        image: ["debian:bullseye", "debian:bookworm", "debian:trixie"]
         rails_env: [staging, production]
     container:
       image: ${{ matrix.image }}
diff --git a/README.md b/README.md
index 3ec1a0d4..f3c53bc2 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ A remote server with one of the supported distributions:
 - Ubuntu 24.04 x64
 - Debian Bullseye x64
 - Debian Bookworm x64
+- Debian Trixie x64
 
 Access to a remote server via public ssh key without password.
 The default user is `deploy` but you can [use any user](#using-a-different-user-than-deploy) with sudo privileges.
@@ -49,7 +50,7 @@ Python 3 installed in the remote server
 
 The following commands must be executed in your local machine
 
-[Install Ansible >= 2.7](https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html)
+[Install Ansible >= 6.x](https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html) (that is, ansible-core >= 2.13).
 
 Get the Ansible Playbook
 
diff --git a/ansible.cfg b/ansible.cfg
index 4a564084..935c60ff 100644
--- a/ansible.cfg
+++ b/ansible.cfg
@@ -1,5 +1,4 @@
 [defaults]
-# Use the YAML callback plugin.
-stdout_callback = yaml
+callback_result_format=yaml
 allow_world_readable_tmpfiles = true
 interpreter_python = auto
diff --git a/group_vars/all b/group_vars/all
index 62529264..46281dee 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -62,6 +62,7 @@ fnm_command: "export PATH=\"{{ fnm_dir }}/:$PATH\" && eval \"$(fnm env)\""
 # RVM
 rvm_command: "source {{ home_dir }}/.rvm/scripts/rvm"
 rvm1_delete_ruby: False
+rvm1_ruby_install_flags: ""
 
 # Errbit
 errbit: False
diff --git a/roles/letsencrypt/tasks/main.yml b/roles/letsencrypt/tasks/main.yml
index 4b651442..ebffff5b 100644
--- a/roles/letsencrypt/tasks/main.yml
+++ b/roles/letsencrypt/tasks/main.yml
@@ -1,10 +1,6 @@
 ---
 - when: domain is defined
   block:
-    - name: Install software-properties-common
-      apt:
-        name: software-properties-common
-
     - name: Check python3-certbot-nginx is available
       command: apt-cache show python3-certbot-nginx
       ignore_errors: yes
diff --git a/roles/system/tasks/tools.yml b/roles/system/tasks/tools.yml
index 1997236a..f57e56d7 100644
--- a/roles/system/tasks/tools.yml
+++ b/roles/system/tasks/tools.yml
@@ -10,6 +10,7 @@
       - vim
       - htop
       - git-core
+      - gpg
       - wget
       - zlib1g-dev
       - libssl-dev
@@ -24,4 +25,22 @@
       - imagemagick
       - ruby-dev
       - shared-mime-info
+
+- name: Install policykit-1
+  become: true
+  apt:
+    state: latest
+    update_cache: true
+    name:
       - policykit-1
+  when: ansible_distribution_release in ["bullseye"]
+
+- name: Install polkitd and pkexec
+  become: true
+  apt:
+    state: latest
+    update_cache: true
+    name:
+      - polkitd
+      - pkexec
+  when: ansible_distribution_release not in ["bullseye"]
diff --git a/roles/user/tasks/main.yml b/roles/user/tasks/main.yml
index 220a9fa8..75db6d91 100644
--- a/roles/user/tasks/main.yml
+++ b/roles/user/tasks/main.yml
@@ -29,4 +29,4 @@
 - name: Install SSH key
   authorized_key:
     user: "{{ deploy_user }}"
-    key: "{{ lookup('file', '{{ ssh_public_key_path }}') }}"
+    key: "{{ lookup('file', ssh_public_key_path) }}"