diff --git a/lib/caching.js b/lib/caching.js
index f410a19..72e6a70 100644
--- a/lib/caching.js
+++ b/lib/caching.js
@@ -58,6 +58,10 @@ var caching = function (args) {
 
     self.del = self.store.del.bind(self.store);
 
+    if (typeof self.store.setex === 'function') {
+        self.setex = self.store.setex.bind(self.store);
+    }
+
     if (typeof self.store.reset === 'function') {
         self.reset = self.store.reset.bind(self.store);
     }