diff --git a/playbook.yml b/playbook.yml
index d15c98a..b2dfb5e 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -2,6 +2,8 @@
 - hosts: registry
   remote_user: root
   gather_facts: false
+  vars:
+    - registry.yml
   roles:
     - dockerhost
     - registry
diff --git a/roles/registry/tasks/main.yml b/roles/registry/tasks/main.yml
index 2510995..d77f339 100644
--- a/roles/registry/tasks/main.yml
+++ b/roles/registry/tasks/main.yml
@@ -1,6 +1,6 @@
 - name: Download Harbor installer
   get_url:
-    url: https://github.com/goharbor/harbor/releases/download/v2.2.1/harbor-online-installer-v2.2.1.tgz
+    url: https://github.com/goharbor/harbor/releases/download/{{ harbor.version }}/harbor-online-installer-{{ harbor.version }}.tgz
     dest: /tmp/harbor-installer.tgz
     mode: '0777'
 - name: Extract installer
diff --git a/vars/registry.yml b/vars/registry.yml
new file mode 100644
index 0000000..66df86e
--- /dev/null
+++ b/vars/registry.yml
@@ -0,0 +1,2 @@
+harbor:
+  version: v2.2.1