diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index d701135..770f488 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -38,3 +38,4 @@
     repo: "{{ docker_apt_repository }}"
     state: present
     update_cache: true
+    mode: "0644"