diff --git a/tests/Phue/Test/GroupTest.php b/tests/Phue/Test/GroupTest.php
index 675084e..76abb87 100644
--- a/tests/Phue/Test/GroupTest.php
+++ b/tests/Phue/Test/GroupTest.php
@@ -9,6 +9,7 @@
 namespace Phue\Test;
 
 use Phue\Client;
+use Phue\Helper\ColorConversion;
 use Phue\Group;
 
 /**