diff --git a/tasks/configure.yml b/tasks/configure.yml
index df43464..270d11d 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -8,6 +8,7 @@
     mode: 0644
   with_items: "{{ postgresql_global_config_options }}"
   notify: restart postgresql
+  become: true
 
 - name: Configure host based authentication (if entries are configured).
   template:
@@ -18,6 +19,7 @@
     mode: 0600
   notify: restart postgresql
   when: postgresql_hba_entries | length > 0
+  become: true
 
 - name: Ensure PostgreSQL unix socket dirs exist.
   file:
@@ -27,3 +29,4 @@
     group: "{{ postgresql_group }}"
     mode: "{{ postgresql_unix_socket_directories_mode }}"
   with_items: "{{ postgresql_unix_socket_directories }}"
+  become: true
diff --git a/tasks/initialize.yml b/tasks/initialize.yml
index 8636a40..97618b5 100644
--- a/tasks/initialize.yml
+++ b/tasks/initialize.yml
@@ -5,6 +5,7 @@
     dest: /etc/profile.d/postgres.sh
     mode: 0644
   notify: restart postgresql
+  become: true
 
 - name: Ensure PostgreSQL data directory exists.
   file:
@@ -13,11 +14,13 @@
     group: "{{ postgresql_group }}"
     state: directory
     mode: 0700
+  become: true
 
 - name: Check if PostgreSQL database is initialized.
   stat:
     path: "{{ postgresql_data_dir }}/PG_VERSION"
   register: pgdata_dir_version
+  become: true
 
 - name: Ensure PostgreSQL database is initialized.
   command: "{{ postgresql_bin_path }}/initdb -D {{ postgresql_data_dir }}"
@@ -35,3 +38,4 @@
     group: "{{ postgresql_group }}"
     state: directory
     mode: 0700
+  become: true
diff --git a/tasks/main.yml b/tasks/main.yml
index ef53122..4d483a9 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -20,6 +20,7 @@
     name: "{{ postgresql_daemon }}"
     state: "{{ postgresql_service_state }}"
     enabled: "{{ postgresql_service_enabled }}"
+  become: true
 
 # Configure PostgreSQL.
 - import_tasks: users.yml
diff --git a/tasks/setup-RedHat.yml b/tasks/setup-RedHat.yml
index d536bcb..724794c 100644
--- a/tasks/setup-RedHat.yml
+++ b/tasks/setup-RedHat.yml
@@ -8,9 +8,11 @@
     # to be installed, which breaks later Ansible runs on Fedora 30,
     # and affects system behavior in multiple ways.
     exclude: python-unversioned-command
+  become: true
 
 - name: Ensure PostgreSQL Python libraries are installed.
   yum:
     name: "{{ postgresql_python_library }}"
     state: present
     enablerepo: "{{ postgresql_enablerepo | default(omit, true) }}"
+  become: true