diff --git a/ocaml.spec b/ocaml.spec
index 35551cc..8750aea 100644
--- a/ocaml.spec
+++ b/ocaml.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml
 Version:       4.11.1
-Release:       2mamba
+Release:       3mamba
 Summary:       The OCaml compiler and programming environment
 Group:         Applications/Development
 Vendor:        openmamba
@@ -16,8 +16,7 @@ Source3:       http://caml.inria.fr/pub/distrib/ocaml-%{majorminor}/ocaml-%{majo
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libX11-devel
-BuildRequires: libbinutils-devel
+BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: emacs-nox
 #BuildRequires: ocaml-runtime >= %{?epoch:%epoch:}%{version}
@@ -354,6 +353,9 @@ exit 0
 #%doc refman.pdf htmlman
 
 %changelog
+* Thu Apr 22 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.11.1-3mamba
+- rebuilt with recent rpm ocamldeps
+
 * Thu Jan 21 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.11.1-2mamba
 - rebuilt to fix provides