diff --git a/README.md b/README.md
index 51efd0d..79c7980 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ An Ansible role created by the folks behind PowerDNS to setup the [PowerDNS Auth
 
 ## Requirements
 
-An Ansible 2.9 or higher installation.
+An Ansible 2.12 or higher installation.
 
 ## Dependencies
 
@@ -32,12 +32,6 @@ By default, the PowerDNS Authoritative Server is installed from the software rep
     - { role: PowerDNS.pdns,
         pdns_install_repo: "{{ pdns_auth_powerdns_repo_master }}"
 
-# Install the PowerDNS Authoritative Server from the '4.5.x' official repository
-- hosts: all
-  roles:
-    - { role: PowerDNS.pdns,
-        pdns_install_repo: "{{ pdns_auth_powerdns_repo_45 }}"
-
 # Install the PowerDNS Authoritative Server from the '4.6.x' official repository
 - hosts: all
   roles:
@@ -353,7 +347,7 @@ To test all the scenarios run
 
 To run a custom molecule command
 
-    $ tox -e ansible210 -- molecule test -s pdns-44
+    $ tox -e ansible214 -- molecule test -s pdns-47
 
 ## License
 
diff --git a/molecule/pdns-45/converge.yml b/molecule/pdns-45/converge.yml
deleted file mode 100644
index 6b6cfcf..0000000
--- a/molecule/pdns-45/converge.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-
-- hosts: pdns
-  vars_files:
-    - ../resources/vars/pdns-common.yml
-    - ../resources/vars/pdns-repo-45.yml
-    - ../resources/vars/pdns-backends.yml
-  roles:
-    - { role: powerdns.pdns }
diff --git a/molecule/pdns-45/molecule.yml b/molecule/pdns-45/molecule.yml
deleted file mode 100644
index 39ab956..0000000
--- a/molecule/pdns-45/molecule.yml
+++ /dev/null
@@ -1,94 +0,0 @@
----
-
-scenario:
-  name: pdns-45
-
-driver:
-  name: docker
-
-dependency:
-  name: galaxy
-
-platforms:
-  - name: centos-7
-    groups: ["pdns"]
-    image: centos:7
-    dockerfile_tpl: centos-systemd
-
-  - name: oraclelinux-8
-    groups: ["pdns"]
-    image: oraclelinux:8
-    dockerfile_tpl: centos-systemd
-
-  - name: ubuntu-2004
-    groups: ["pdns"]
-    image: ubuntu:20.04
-    tmpfs:
-      - /run
-      - /tmp
-    dockerfile_tpl: debian-systemd
-
-  - name: debian-10
-    groups: ["pdns"]
-    image: debian:10
-    privileged: True
-    volume_mounts:
-      - "/sys/fs/cgroup:/sys/fs/cgroup:rw"
-    tmpfs:
-      - /run
-      - /run/lock
-      - /tmp
-    dockerfile_tpl: debian-systemd
-    environment: { container: docker }
-
-  # In order to run the tests we need
-  # a MySQL container to be up & running
-  - name: mysql
-    image: mysql:5.7
-    env:
-      MYSQL_ROOT_PASSWORD: pdns
-    # Declaring the container as service,
-    # will link it to the others Platforms containers
-    # on creation.
-    is_service: yes
-
-provisioner:
-  name: ansible
-  options:
-    diff: True
-    v: True
-  config_options:
-    defaults:
-      gathering: smart
-      fact_caching: jsonfile
-      fact_caching_connection: .ansible_cache
-      fact_caching_timeout: 7200
-    ssh_connection:
-      pipelining: true
-  inventory:
-    links:
-      host_vars: ../resources/host_vars/
-  playbooks:
-    create: ../resources/create.yml
-    destroy: ../resources/destroy.yml
-    prepare: ../resources/prepare.yml
-    # "systemctl used in place of systemd module" "ANSIBLE0006"
-    # "Tasks that run when changed should likely be handlers" "ANSIBLE0016"
-    # "Shells that use pipes should set the pipefail option" "306"
-  lint: ansible-lint -x ANSIBLE0006 ANSIBLE0016 306
-
-lint: yamllint defaults tasks meta vars
-
-verifier:
-  name: testinfra
-  options:
-    hosts: "pdns"
-    vvv: True
-  directory: ../resources/tests/all
-  additional_files_or_dirs:
-    # path relative to 'directory'
-    - ../repo-45/
-    - ../backend-sqlite/
-    - ../backend-mysql/
-    - ../systemd-override/
-  lint: flake8
diff --git a/molecule/pdns-46/molecule.yml b/molecule/pdns-46/molecule.yml
index 8968caa..f6746ad 100644
--- a/molecule/pdns-46/molecule.yml
+++ b/molecule/pdns-46/molecule.yml
@@ -91,4 +91,4 @@ verifier:
     - ../backend-sqlite/
     - ../backend-mysql/
     - ../systemd-override/
-  lint: flake8
+
diff --git a/molecule/pdns-47/molecule.yml b/molecule/pdns-47/molecule.yml
index fa761b7..87b3081 100644
--- a/molecule/pdns-47/molecule.yml
+++ b/molecule/pdns-47/molecule.yml
@@ -96,4 +96,4 @@ verifier:
     - ../backend-sqlite/
     - ../backend-mysql/
     - ../systemd-override/
-  lint: flake8
+
diff --git a/molecule/pdns-master/molecule.yml b/molecule/pdns-master/molecule.yml
index 03cd5a8..6e295f2 100644
--- a/molecule/pdns-master/molecule.yml
+++ b/molecule/pdns-master/molecule.yml
@@ -30,11 +30,6 @@ platforms:
     image: ubuntu:18.04
     dockerfile_tpl: debian-systemd
 
-  - name: debian-9
-    groups: ["pdns"]
-    image: debian:9
-    dockerfile_tpl: debian-systemd
-
   - name: debian-10
     groups: ["pdns"]
     image: debian:10
@@ -87,4 +82,4 @@ verifier:
     - ../backend-sqlite/
     - ../backend-mysql/
     - ../systemd-override/
-  lint: flake8
+
diff --git a/molecule/pdns-os-repos/molecule.yml b/molecule/pdns-os-repos/molecule.yml
index 7d7b66e..f35af49 100644
--- a/molecule/pdns-os-repos/molecule.yml
+++ b/molecule/pdns-os-repos/molecule.yml
@@ -71,4 +71,4 @@ verifier:
     - ../systemd-override/
     - ../backend-sqlite/
     - ../backend-mysql/
-  lint: flake8
+
diff --git a/requirements.yml b/requirements.yml
index 59cbeea..5eb9382 100644
--- a/requirements.yml
+++ b/requirements.yml
@@ -2,3 +2,5 @@
 collections:
   - name: community.mysql
   - name: community.general
+  - name: community.docker
+  - name: ansible.posix
\ No newline at end of file
diff --git a/test-requirements.txt b/test-requirements.txt
index 75a0a48..542765f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
-ansible-lint==5.4.0
-yamllint==1.29.0
-molecule[docker]==4.0.0
-molecule[lint]==4.0.0
-pytest-testinfra==6.7.0
-docker==5.0.3
-
+ansible-lint==6.17.2
+yamllint==1.32.0
+molecule-plugins[docker]==23.4.1
+molecule-plugins[lint]==23.4.1
+molecule==5.1.0
+pytest-testinfra==8.1.0
+docker==6.1.3