diff --git a/lib/postmark/version.rb b/lib/postmark/version.rb
index cf11542..ef8c17d 100644
--- a/lib/postmark/version.rb
+++ b/lib/postmark/version.rb
@@ -1,3 +1,3 @@
 module Postmark
-  VERSION = '1.25.0'
+  VERSION = '1.25.1'
 end