diff --git a/composer.json b/composer.json
index 54039ab..597ab1e 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "atoum/atoum": "master-dev"
+        "atoum/atoum": "master-dev",
+        "predis/predis": "~0.8"
     }
 }
diff --git a/tests/units/RedisMockFactory.php b/tests/units/RedisMockFactory.php
index 8522b8f..3cabbf0 100644
--- a/tests/units/RedisMockFactory.php
+++ b/tests/units/RedisMockFactory.php
@@ -150,6 +150,21 @@ public function testGetAdapterClass()
                 ->error()
                     ->notExists();
     }
+
+    /**
+     * mock a concrete Predis Client
+     *
+     * @return void
+     */
+    public function testPredis()
+    {
+        $factory = new Factory();
+        $mock    = $factory->getAdapter('Predis\Client', true);
+
+        $this->assert
+            ->object($mock)
+            ->isInstanceOf('M6Web\Component\RedisMock\RedisMock_Predis_Client_Adapter');
+    }
 }
 
 class RedisWithMethods