diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1f124bc..7a45484 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,9 +13,10 @@ on:
     # * is a special character in YAML so you have to quote this string
     # first of each month
     - cron: "0 0 1 * *"
-  workflow_dispatch:
 
 jobs:
   integration:
     name: Integration
-    uses: systemli/github-ansible-workflow/.github/workflows/ansible-integration-workflow.yaml@v1.2.0
+    uses: systemli/github-ansible-workflow/.github/workflows/ansible-integration-workflow.yaml@v1.2.3
+    with:
+      distros: '[ "debian11", "debian12" ]'
diff --git a/defaults/main.yml b/defaults/main.yml
index 3998010..10d8e42 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -49,9 +49,6 @@ dovecot_vmail_path: /var/vmail
 dovecot_openmetrics_enabled: false
 dovecot_openmetrics_port: 9900
 
-# enable dovecot munin plugins
-dovecot_munin: false
-
 # enable dovecot backup
 dovecot_backup_lead: false
 dovecot_backup_follower: false
diff --git a/handlers/main.yml b/handlers/main.yml
index 10f9a43..9d25477 100644
--- a/handlers/main.yml
+++ b/handlers/main.yml
@@ -1,9 +1,4 @@
 ---
-- name: Restart munin-node
-  service:
-    name: munin-node
-    state: restarted
-
 - name: Restart opendkim
   service:
     name: opendkim
diff --git a/meta/main.yml b/meta/main.yml
index 29547e8..f4064d5 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -16,4 +16,5 @@ galaxy_info:
       versions:
         - buster
         - bullseye
+        - bookworm
 dependencies: []
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index fc0e889..959d6ad 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -5,8 +5,8 @@ driver:
     name: virtualbox
 
 platforms:
-  - name: dovecot-bullseye64
-    box: debian/bullseye64
+  - name: dovecot-bookworm64
+    box: debian/bookworm64
 
 lint: |
   set -e
@@ -15,4 +15,6 @@ lint: |
 
 provisioner:
   name: ansible
+  ansible_args:
+    - --diff
   become: true
diff --git a/tasks/main.yml b/tasks/main.yml
index 184ac4f..f8dc4b7 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -137,11 +137,6 @@
   when: dovecot_openmetrics_enabled
   tags: openmetrics
 
-- name: Import munin tasks
-  import_tasks: munin.yml
-  when: dovecot_munin
-  tags: munin
-
 - name: Import backup leader tasks
   import_tasks: dovecot_backup_lead.yml
   when: dovecot_backup_lead
diff --git a/tasks/munin.yml b/tasks/munin.yml
deleted file mode 100644
index f75b7b2..0000000
--- a/tasks/munin.yml
+++ /dev/null
@@ -1,24 +0,0 @@
----
-
-- name: Link shared munin-plugins mail_connections
-  file:
-    src: "/usr/local/share/munin-plugins/plugins/mail/mail_connections"
-    dest: "/etc/munin/plugins/mail_connections"
-    state: link
-  notify: Restart munin-node
-
-- name: Link shared munin-plugins for dovecot
-  file:
-    src: "/usr/local/share/munin-plugins/plugins/dovecot/dovecot"
-    dest: "/etc/munin/plugins/dovecot"
-    state: link
-  notify: Restart munin-node
-
-- name: Copy config for dovecot munin plugin
-  copy:
-    src: dovecot.munin
-    dest: "/etc/munin/plugin-conf.d/dovecot"
-    owner: root
-    group: root
-    mode: 0644
-  notify: Restart munin-node
diff --git a/templates/10-ssl.conf.j2 b/templates/10-ssl.conf.j2
index fa5587a..c1fd32f 100644
--- a/templates/10-ssl.conf.j2
+++ b/templates/10-ssl.conf.j2
@@ -55,7 +55,10 @@ ssl_client_ca_dir = /etc/ssl/certs
 ssl_dh = <{{ '/usr/share/dovecot/dh.pem' if __testing|d() else '/etc/dovecot/dh.pem' }}
 
 # Minimum SSL protocol version to use. Potentially recognized values are SSLv3,
-# TLSv1, TLSv1.1, and TLSv1.2, depending on the OpenSSL version used.
+# TLSv1, TLSv1.1, TLSv1.2 and TLSv1.3, depending on the OpenSSL version used.
+#
+# Dovecot also recognizes values ANY and LATEST. ANY matches with any protocol
+# version, and LATEST matches with the latest version supported by library.
 ssl_min_protocol = {{ dovecot_ssl_min_protocol | default('TLSv1.2') }}
 
 # SSL ciphers to use, the default is: