diff --git a/wp-content/w3tc-config/master.php b/wp-content/w3tc-config/master.php
index 593945b2..3a9773f2 100644
--- a/wp-content/w3tc-config/master.php
+++ b/wp-content/w3tc-config/master.php
@@ -1,5 +1,5 @@
 <?php exit; ?>{
-    "version": "2.3.3",
+    "version": "2.5.0",
     "cluster.messagebus.debug": false,
     "cluster.messagebus.enabled": false,
     "cluster.messagebus.sns.region": "",
@@ -1040,6 +1040,9 @@
         "visibility": "never"
     },
     "imageservice.configuration_overloaded": true,
+    "fragmentcache": {
+        "engine": "file"
+    },
     "lazyload_process_background": true,
     "pgcache.bad_behavior_path": "",
     "newrelic": {