diff --git a/tests/test.yml b/tests/test.yml
index 0fec162..8801ef8 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -5,6 +5,7 @@
     - name: Update apt cache.
       apt: update_cache=yes cache_valid_time=600
       when: ansible_os_family == 'Debian'
+      changed_when: false
 
   roles:
     - role_under_test