diff --git a/ocaml-xmlplaylist.spec b/ocaml-xmlplaylist.spec
index 5561cd8..97182cb 100644
--- a/ocaml-xmlplaylist.spec
+++ b/ocaml-xmlplaylist.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-xmlplaylist
 Version:       0.1.5
-Release:       1mamba
+Release:       2mamba
 Summary:       OCaml module to parse various RSS playlist formats
 Group:         Development/Libraries
 Vendor:        openmamba
@@ -12,12 +12,12 @@ URL:           https://github.com/savonet/ocaml-xmlplaylist
 Source:        https://github.com/savonet/ocaml-xmlplaylist.git/v%{version}/ocaml-xmlplaylist-%{version}.tar.bz2
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
-#ocamlx(Xmlm): unidentified build requirement
 BuildRequires: glibc-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-xmlm-devel
 ## AUTOBUILDREQ-END
 BuildRequires: dune
+BuildRequires: ocaml-xmlm-devel >= 1.4.0
 
 %description
 This package contains an OCaml module to parse various RSS playlist formats.
@@ -66,6 +66,9 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES README
 
 %changelog
+* Sat Feb 12 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.5-2mamba
+- rebuilt with ocaml-xmlm 1.4.0
+
 * Sun Jan 30 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.5-1mamba
 - update to 0.1.5