diff --git a/.yamllint b/.yamllint
index 6fc1983..12f8331 100644
--- a/.yamllint
+++ b/.yamllint
@@ -15,5 +15,6 @@ rules:
     level: warning
   truthy:
     allowed-values: ["true", "false"]
+
 ignore:
   - galaxy.yml
diff --git a/molecule/ipv6/prepare.yml b/molecule/ipv6/prepare.yml
index cea50d8..9763458 100644
--- a/molecule/ipv6/prepare.yml
+++ b/molecule/ipv6/prepare.yml
@@ -38,7 +38,7 @@
         dest: /etc/netplan/55-flannel-ipv4.yaml
         owner: root
         group: root
-        mode: 0644
+        mode: "0644"
       register: netplan_template
 
     - name: Apply netplan configuration