diff --git a/lib/asciidoctor-diagram/version.rb b/lib/asciidoctor-diagram/version.rb
index b198166c..16b7d5a6 100644
--- a/lib/asciidoctor-diagram/version.rb
+++ b/lib/asciidoctor-diagram/version.rb
@@ -1,5 +1,5 @@
 module Asciidoctor
   module Diagram
-    VERSION = "1.5.0"
+    VERSION = "1.5.1"
   end
 end