diff --git a/ansible-docker-ubuntu/roles/basic/tasks/main.yml b/ansible-docker-ubuntu/roles/basic/tasks/main.yml
index df2f982..9d83a0e 100644
--- a/ansible-docker-ubuntu/roles/basic/tasks/main.yml
+++ b/ansible-docker-ubuntu/roles/basic/tasks/main.yml
@@ -4,7 +4,6 @@
   - name: "update cache"
     apt:
       update_cache: yes
-      cache_valid_time: 3600
 
   - name: "upgrade all"
     apt: