diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index d701135..69838a4 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -13,6 +13,7 @@
       - ca-certificates
       - gnupg2
     state: present
+    update_cache: yes
 
 - name: Add Docker apt key.
   apt_key: