diff --git a/vars/ubuntu-16.04.yml b/vars/ubuntu-16.04.yml
index c33ec5ef..e0b15440 100644
--- a/vars/ubuntu-16.04.yml
+++ b/vars/ubuntu-16.04.yml
@@ -13,6 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+## APT Cache options
+cache_timeout: 600
+
 tempest_distro_packages:
   - git-core
   - libpq-dev