diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 70e6297..d204d7b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,7 @@ jobs:
       matrix:
         include:
           - distro: debian10
+            ansible-version: '>=9, <10'
           - distro: debian11
           - distro: debian12
           - distro: ubuntu1804
diff --git a/tasks/main.yml b/tasks/main.yml
index 192d43f..a56c022 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -43,7 +43,7 @@
     validate: "visudo -cf %s"
     owner: root
     group: root
-    mode: 0440
+    mode: '0440'
   with_dict: "{{ sudoers_sudoers_d_files }}"
   tags:
     - configuration
@@ -58,7 +58,7 @@
     validate: "visudo -cf %s"
     owner: root
     group: root
-    mode: 0440
+    mode: '0440'
   tags:
     - configuration
     - sudoers
diff --git a/tests/test.yml b/tests/test.yml
index 69b9404..35bffb6 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -1,6 +1,7 @@
 # test file
 ---
-- hosts: localhost
+- name: converge
+  hosts: localhost
   connection: local
   become: true
   pre_tasks:
diff --git a/tests/vagrant.yml b/tests/vagrant.yml
index 0dff732..e355251 100644
--- a/tests/vagrant.yml
+++ b/tests/vagrant.yml
@@ -1,6 +1,7 @@
 # test file
 ---
-- hosts: all
+- name: converge
+  hosts: all
   remote_user: vagrant
   become: true
   pre_tasks: