diff --git a/ocaml-sexplib0.spec b/ocaml-sexplib0.spec
index c96ca54..080a3d3 100644
--- a/ocaml-sexplib0.spec
+++ b/ocaml-sexplib0.spec
@@ -1,7 +1,7 @@
 %define ocamlpck  sexplib0
 
 Name:          ocaml-sexplib0
-Version:       0.15.0
+Version:       0.15.1
 Release:       1mamba
 Summary:       Library containing the definition of S-expressions and some base converters
 Group:         System/Libraries/OCaml
@@ -68,5 +68,8 @@ rm -rf %{buildroot}/usr/doc
 %doc README.md
 
 %changelog
+* Thu Jun 23 2022 Automatic Build System <autodist@mambasoft.it> 0.15.1-1mamba
+- automatic version update by autodist
+
 * Sun Jan 30 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.15.0-1mamba
 - package created using the webbuild interface