diff --git a/tasks/install_packages.yml b/tasks/install_packages.yml
index 3ff8cd4d9a29f333ac8550b4ddc88f6aef7d6de0..557cf5fe702ee083e49f84ca21c60ff80f32b2cc 100644
--- a/tasks/install_packages.yml
+++ b/tasks/install_packages.yml
@@ -1,9 +1,12 @@
 ---
-# Äquivalent von apt-get update
+# Equivalent of apt-get update
+# Out of sheer dumb luck, this might not be idempotent if the distro repo info
+# is updated even between two CI runs. We'll skip the check.
 - name: apt-get update
   ansible.builtin.apt:
     update_cache: true
   when: ansible_os_family == "Debian"
+  changed_when: false
 
 # Äquivalent von dnf update
 - name: update packages (RedHat)