diff --git a/src/Version.php b/src/Version.php
index bb42d6fa..28889e1b 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -43,7 +43,7 @@ public static function id()
         }
 
         if (self::$version === null) {
-            $version = new SebastianBergmann\Version('2.1.14', dirname(dirname(__DIR__)));
+            $version = new SebastianBergmann\Version('2.1.15', dirname(dirname(__DIR__)));
             self::$version = $version->getVersion();
         }