diff --git a/tests/pillar/server_cluster.sls b/tests/pillar/server_cluster.sls
index 0b28922..d9d675f 100644
--- a/tests/pillar/server_cluster.sls
+++ b/tests/pillar/server_cluster.sls
@@ -71,6 +71,10 @@
     max_nested_stack_depth: 10
     cache:
       engine: memcached
+      expiration_time: 600
+      backend_argument:
+        memcached_expire_time:
+          value: 660
       members:
       - host: 127.0.0.1
         port: 11211