diff --git a/files/firefox-addons/uBlock0@raymondhill.net.xpi b/files/firefox-addons/uBlock0@raymondhill.net.xpi
new file mode 100644
index 0000000..49b0df0
Binary files /dev/null and b/files/firefox-addons/uBlock0@raymondhill.net.xpi differ
diff --git a/firefox.yaml b/firefox.yaml
new file mode 100644
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--- /dev/null
+++ b/firefox.yaml
@@ -0,0 +1,12 @@
+- name: Firefox configuration
+  hosts: all
+  user: administrator
+  become: true
+
+  tasks:
+    - name: Firefox addons folder
+      file: path=/usr/lib64/firefox/distribution/extensions state=directory
+    - name: Firefox addons installation
+      copy:
+        src: 'files/firefox-addons/uBlock0@raymondhill.net.xpi'
+        dest: '/usr/lib64/firefox/distribution/extensions/uBlock0@raymondhill.net.xpi'