diff --git a/lib/metanorma/iec/version.rb b/lib/metanorma/iec/version.rb
index b1fa353..6a8ce73 100644
--- a/lib/metanorma/iec/version.rb
+++ b/lib/metanorma/iec/version.rb
@@ -1,6 +1,6 @@
 module Metanorma
   module Iec
-    VERSION = "2.5.0".freeze
+    VERSION = "2.5.1".freeze
   end
 end