diff --git a/octave.spec b/octave.spec
index a1eb614..6e3506a 100644
--- a/octave.spec
+++ b/octave.spec
@@ -1,6 +1,6 @@
 Name:          octave
 Version:       4.0.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A high-level language, primarily intended for numerical computations
 Group:         Applications/Mathematics
 Vendor:        openmamba
@@ -43,6 +43,7 @@ BuildRequires: libsuitesparse-devel
 BuildRequires: libz-devel
 BuildRequires: qscintilla-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libglpk-devel >= 4.58-1mamba
 BuildRequires: libcares-devel
 BuildRequires: libidn-devel
 BuildRequires: libssh2-devel
@@ -155,6 +156,9 @@ install -D -m 644 %{SOURCE1} \
 %doc ChangeLog README NEWS INSTALL
 
 %changelog
+* Fri Mar 11 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.0-2mamba
+- rebuilt by autoport with build requirements: libglpk-devel>=4.58-1mamba
+
 * Sun Aug 02 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.0-1mamba
 - update to 4.0.0