diff --git a/lib/metanorma/m3aawg/version.rb b/lib/metanorma/m3aawg/version.rb
index 8205df6..737a033 100644
--- a/lib/metanorma/m3aawg/version.rb
+++ b/lib/metanorma/m3aawg/version.rb
@@ -1,5 +1,5 @@
 module Metanorma
   module M3AAWG
-    VERSION = "1.5.5"
+    VERSION = "1.5.6"
   end
 end