diff --git a/ocaml.spec b/ocaml.spec
index 85b91ee..ab2c4c6 100644
--- a/ocaml.spec
+++ b/ocaml.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml
 Version:       4.07.1
-Release:       1mamba
+Release:       3mamba
 Summary:       The OCaml compiler and programming environment
 Group:         Applications/Development
 Vendor:        openmamba
@@ -21,6 +21,7 @@ BuildRequires: libbinutils-devel
 ## AUTOBUILDREQ-END
 BuildRequires: emacs-nox
 BuildRequires: libgdbm-devel
+BuildRequires: libbinutils-devel >= 2.33.1
 Requires:      %{name}-runtime = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      gcc
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
@@ -60,6 +61,7 @@ This package provides in particular the following tools:
 %package runtime
 Group:         Applications/Development
 Summary:       OCaml runtime environment
+Provides:      ocaml(runtime)
 
 %description runtime
 This package contains the runtime environment needed to run OCaml bytecode.
@@ -335,6 +337,12 @@ exit 0
 #%doc refman.pdf htmlman
 
 %changelog
+* Sun Nov 24 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.07.1-3mamba
+- ocaml-runtime: provide ocaml(runtime)
+
+* Sat Nov 23 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.07.1-2mamba
+- rebuilt with libbinutils-devel 2.33.1
+
 * Thu Apr 25 2019 Automatic Build System <autodist@mambasoft.it> 4.07.1-1mamba
 - automatic version update by autodist