diff --git a/README.md b/README.md
index ef37f17..a0e6272 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,14 @@
 
 ## Synopsys
 
-This role lets you perform various tasks on your WordPress instances.
+This role lets you perform various tasks on your WordPress instances. Currently the only supported task is update.
 
 ## Parameters
 
 | Name | Required | Example | Description |
 |---|---|---|---|
 | `path` | no | `/var/www/html/wordpress` | Path to your WordPress instance. Only optional if `dry_run` is `true`. |
+| `user` | no | `nginx` | User to perform the action as. Defaults to `root`. |
 | `dry_run` | no | `true` | If `true`, only the required tools are installed, but the upgrade itself is not performed. Defaults to `false`. |
 
 ## Examples
@@ -18,6 +19,7 @@ This role lets you perform various tasks on your WordPress instances.
     name: noobient.wordpress
   vars:
     path: '/var/www/html/wordpress'
+    user: nginx
     dry_run: false
 ```
 
diff --git a/tasks/update.yml b/tasks/update.yml
index 5f23553..03b073e 100644
--- a/tasks/update.yml
+++ b/tasks/update.yml
@@ -3,28 +3,38 @@
 - name: "Update WordPress plugins in {{ path }}"
   command:
     cmd: "wp --allow-root --path={{ path }} --no-color plugin update --all"
+  become: true
+  become_user: "{{ eff_user }}"
   changed_when: (wp_up_plugin_str not in wp_plugin_upd.stdout)
   register: wp_plugin_upd
 
 - name: "Update WordPress themes in {{ path }}"
   command:
     cmd: "wp --allow-root --path={{ path }} --no-color theme update --all"
+  become: true
+  become_user: "{{ eff_user }}"
   changed_when: (wp_up_theme_str not in wp_theme_upd.stdout)
   register: wp_theme_upd
 
 - name: "Check for WordPress updates in {{ path }}"
   command:
     cmd: "wp --allow-root --path={{ path }} --no-color core check-update"
+  become: true
+  become_user: "{{ eff_user }}"
   changed_when: false
   register: wp_upd_chk
 
 - name: "Update WordPress in {{ path }}" # noqa no-changed-when
   command:
     cmd: "wp --allow-root --path={{ path }} --no-color core update"
+  become: true
+  become_user: "{{ eff_user }}"
   when: (wp_up_core_str not in wp_upd_chk.stdout)
 
 - name: "Update WordPress database in {{ path }}"
   command:
     cmd: "wp --allow-root --path={{ path }} --no-color core update-db"
+  become: true
+  become_user: "{{ eff_user }}"
   changed_when: (wp_up_db_str not in wp_db_upd.stdout)
   register: wp_db_upd
diff --git a/tests/install.yml b/tests/install.yml
index 26a2f97..7c5fcbf 100644
--- a/tests/install.yml
+++ b/tests/install.yml
@@ -1,4 +1,10 @@
 ---
+- name: Update APT cache
+  apt:
+    update_cache: true
+  register: noobient_apt_cache_updated
+  when: ansible_os_family == 'Debian' and noobient_apt_cache_updated is not defined
+
 - name: Install WordPress dependencies
   package:
     name: "{{ packages }}"
diff --git a/vars/main.yml b/vars/main.yml
index 4c8e4d3..a860ddd 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -5,3 +5,4 @@ wp_up_plugin_str: 'Success: Plugin already updated.'
 wp_up_theme_str: 'Success: Theme already updated.'
 
 eff_dry_run: "{{ dry_run | default(false) | bool }}"
+eff_user: "{% if user is defined and user | length %}{{ user }}{% else %}root{% endif %}"