Upgrade version.

ddrv · ddrv · commit f83f22b3b11f · 2020-07-24T17:53:32.000+07:00
diff --git a/src/Mailer.php b/src/Mailer.php
@@ -7,7 +7,7 @@
 final class Mailer
 {
 
-    const MAILER_VERSION = "4.1.4";
+    const MAILER_VERSION = "4.1.5";
 
     /**
      * @var SpoolInterface
