diff --git a/tests/ConfigCacheTest.php b/tests/ConfigCacheTest.php
index 30077e0..2851e6b 100644
--- a/tests/ConfigCacheTest.php
+++ b/tests/ConfigCacheTest.php
@@ -7,7 +7,7 @@
 class ConfigCacheTest extends TestCase
 {
     /** @test */
-    function the_configuration_file_can_be_cached()
+    public function the_configuration_file_can_be_cached()
     {
         $failed = false;
 
@@ -23,4 +23,4 @@ function the_configuration_file_can_be_cached()
             $this->assertTrue(true);
         }
     }
-}
\ No newline at end of file
+}