diff --git a/src/ClassBoundCacheContract.php b/src/ClassBoundCacheContract.php
index 04c4510..a926066 100644
--- a/src/ClassBoundCacheContract.php
+++ b/src/ClassBoundCacheContract.php
@@ -21,7 +21,7 @@ public function __construct(ClassBoundCacheInterface $classBoundCache)
      *
      * @return mixed
      */
-    public function get(ReflectionClass $reflectionClass, callable $resolver, string $key = '')
+    public function get(ReflectionClass $reflectionClass, callable $resolver, string $key = '', ?int $ttl = null)
     {
         $cacheKey = $reflectionClass->getName() . '__' . $key;
         $item = $this->classBoundCache->get($cacheKey);
@@ -31,7 +31,7 @@ public function get(ReflectionClass $reflectionClass, callable $resolver, string
 
         $item = $resolver();
 
-        $this->classBoundCache->set($cacheKey, $item, $reflectionClass);
+        $this->classBoundCache->set($cacheKey, $item, $reflectionClass, $ttl);
 
         return $item;
     }
diff --git a/src/ClassBoundCacheContractInterface.php b/src/ClassBoundCacheContractInterface.php
index 2f4a177..45b5c8a 100644
--- a/src/ClassBoundCacheContractInterface.php
+++ b/src/ClassBoundCacheContractInterface.php
@@ -13,5 +13,5 @@ interface ClassBoundCacheContractInterface
      *
      * @return mixed
      */
-    public function get(ReflectionClass $reflectionClass, callable $resolver, string $key = '');
+    public function get(ReflectionClass $reflectionClass, callable $resolver, string $key = '', ?int $ttl = null);
 }