diff --git a/defaults/main.yml b/defaults/main.yml
index 718b363..5b47284 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -11,7 +11,7 @@ postgresql_user: postgres
 postgresql_group: postgres
 
 # `md5` or `scram-sha-256` (https://www.postgresql.org/docs/10/auth-methods.html)
-postgresql_auth_method: "{{ ansible_fips  | ternary('scram-sha-256', 'md5') }}"
+postgresql_auth_method: "{{ ansible_facts.fips  | ternary('scram-sha-256', 'md5') }}"
 
 postgresql_unix_socket_directories:
   - /var/run/postgresql
diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
index d4b1853..662f0d9 100644
--- a/molecule/default/converge.yml
+++ b/molecule/default/converge.yml
@@ -28,13 +28,13 @@
             lc_collate: 'C.UTF-8'
             lc_ctype: 'C.UTF-8'
       when:
-        - ( ansible_distribution == 'Fedora' and ansible_distribution_major_version >= '30') or
-          ( ansible_os_family == 'RedHat' and ansible_distribution_major_version in ['8','9'])
+        - ( ansible_facts.distribution == 'Fedora' and ansible_facts.distribution_major_version >= '30') or
+          ( ansible_facts.os_family == 'RedHat' and ansible_facts.distribution_major_version in ['8','9'])
 
     - name: Update apt cache.
       apt: update_cache=true cache_valid_time=600
       changed_when: false
-      when: ansible_os_family == 'Debian'
+      when: ansible_facts.os_family == 'Debian'
 
   roles:
     - role: geerlingguy.postgresql
diff --git a/tasks/main.yml b/tasks/main.yml
index ef53122..a0da113 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -4,13 +4,13 @@
 
 # Setup/install tasks.
 - include_tasks: setup-Archlinux.yml
-  when: ansible_os_family == 'Archlinux'
+  when: ansible_facts.os_family == 'Archlinux'
 
 - include_tasks: setup-Debian.yml
-  when: ansible_os_family == 'Debian'
+  when: ansible_facts.os_family == 'Debian'
 
 - include_tasks: setup-RedHat.yml
-  when: ansible_os_family == 'RedHat'
+  when: ansible_facts.os_family == 'RedHat'
 
 - include_tasks: initialize.yml
 - include_tasks: configure.yml
diff --git a/tasks/variables.yml b/tasks/variables.yml
index 7e3a7a5..14b6468 100644
--- a/tasks/variables.yml
+++ b/tasks/variables.yml
@@ -1,23 +1,23 @@
 ---
 # Variable configuration.
 - name: Include OS-specific variables (Debian).
-  include_vars: "{{ ansible_distribution }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
-  when: ansible_os_family == 'Debian'
+  include_vars: "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_version.split('.')[0] }}.yml"
+  when: ansible_facts.os_family == 'Debian'
 
 - name: Include OS-specific variables (RedHat).
-  include_vars: "{{ ansible_os_family }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
+  include_vars: "{{ ansible_facts.os_family }}-{{ ansible_facts.distribution_version.split('.')[0] }}.yml"
   when:
-    - ansible_os_family == 'RedHat'
-    - ansible_distribution != 'Fedora'
-    - ansible_distribution != 'Amazon'
+    - ansible_facts.os_family == 'RedHat'
+    - ansible_facts.distribution != 'Fedora'
+    - ansible_facts.distribution != 'Amazon'
 
 - name: Include OS-specific variables (Amazon).
-  include_vars: "{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml"
-  when: ansible_distribution == 'Amazon'
+  include_vars: "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_major_version }}.yml"
+  when: ansible_facts.distribution == 'Amazon'
 
 - name: Include OS-specific variables (Fedora).
-  include_vars: "{{ ansible_distribution }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
-  when: ansible_distribution == 'Fedora'
+  include_vars: "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_version.split('.')[0] }}.yml"
+  when: ansible_facts.distribution == 'Fedora'
 
 - name: Define postgresql_packages.
   set_fact: