diff --git a/bogofilter.spec b/bogofilter.spec
index 4ac875d..880858f 100644
--- a/bogofilter.spec
+++ b/bogofilter.spec
@@ -1,12 +1,12 @@
 Name:          bogofilter
 Version:       1.2.5
-Release:       1mamba
+Release:       2mamba
 Summary:       Fast anti-spam filtering by Bayesian statistical analysis
 Group:         System/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://bogofilter.sourceforge.net/
+URL:           https://bogofilter.sourceforge.io/
 Source:        https://sourceforge.net/projects/bogofilter/files/bogofilter-stable/bogofilter-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -17,7 +17,6 @@ BuildRequires: perl-devel
 ## AUTOBUILDREQ-END
 BuildRequires: flex
 BuildRequires: xmlto
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Bogofilter is a mail filter that classifies mail as spam or ham (non-spam) by a statistical analysis of the message's header and content (body). The program is able to learn from the user's classifications and corrections.
@@ -68,21 +67,24 @@ chmod -x contrib/*
 %{_bindir}/bogolexer
 %{_bindir}/bogotune
 %{_bindir}/bogoutil
-%{_mandir}/man1/bf_compact.1.gz
-%{_mandir}/man1/bf_copy.1.gz
-%{_mandir}/man1/bf_tar.1.gz
-%{_mandir}/man1/bogofilter.1.gz
-%{_mandir}/man1/bogolexer.1.gz
-%{_mandir}/man1/bogotune.1.gz
-%{_mandir}/man1/bogoutil.1.gz
+%{_mandir}/man1/bf_compact.1*
+%{_mandir}/man1/bf_copy.1*
+%{_mandir}/man1/bf_tar.1*
+%{_mandir}/man1/bogofilter.1*
+%{_mandir}/man1/bogolexer.1*
+%{_mandir}/man1/bogotune.1*
+%{_mandir}/man1/bogoutil.1*
 %doc AUTHORS COPYING
 
 %files -n bogoupgrade
 %defattr(-,root,root)
 %{_bindir}/bogoupgrade
-%{_mandir}/man1/bogoupgrade.1.gz
+%{_mandir}/man1/bogoupgrade.1*
 
 %changelog
+* Mon Dec 11 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.5-2mamba
+- rebuilt with current libgsl
+
 * Sat Oct 26 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.5-1mamba
 - update to 1.2.5