diff --git a/src/LINEBot/Constant/Meta.php b/src/LINEBot/Constant/Meta.php
index 47765c83..954282a1 100644
--- a/src/LINEBot/Constant/Meta.php
+++ b/src/LINEBot/Constant/Meta.php
@@ -20,5 +20,5 @@
 
 class Meta
 {
-    const VERSION = '1.4.0';
+    const VERSION = '1.5.0';
 }