diff --git a/playbook.yaml b/playbook.yaml
index 700ce24..68f72ff 100644
--- a/playbook.yaml
+++ b/playbook.yaml
@@ -61,7 +61,7 @@
     # apk
     - name: "apk"
       ansible.builtin.import_tasks: "tasks/apk/packages.yaml"
-      when: "ansible_os_family == 'Alpine'"
+      when: 'ansible_os_family == "Alpine"'
       tags: "apk"
 
     # apt
diff --git a/tasks/cron.yaml b/tasks/cron.yaml
index ba61911..2a3845e 100644
--- a/tasks/cron.yaml
+++ b/tasks/cron.yaml
@@ -21,5 +21,5 @@
     owner: "root"
     group: "root"
     mode: "0600"
-  when: "ansible_os_family == 'Alpine'"
+  when: 'ansible_os_family == "Alpine"'
   tags: "cron"
diff --git a/tasks/ntp.yaml b/tasks/ntp.yaml
index 35f01b3..5136d87 100644
--- a/tasks/ntp.yaml
+++ b/tasks/ntp.yaml
@@ -4,6 +4,14 @@
   tags: "ntp"
   block:
 
+    # install alpine
+    - name: "ntp - install - chrony alpine"
+      community.general.apk:
+        name: "chrony"
+        state: "present"
+        update_cache: true
+      when: 'ansible_os_family == "Alpine"'
+
     # install chrony
     - name: "ntp - install - chrony debian"
       ansible.builtin.apt:
@@ -19,5 +27,4 @@
         owner: "root"
         group: "root"
         mode: "0644"
-      when: 'ansible_os_family == "Debian"'
       notify: "restart chrony"