diff --git a/libspectre.spec b/libspectre.spec
index b95e82b..d83bf66 100644
--- a/libspectre.spec
+++ b/libspectre.spec
@@ -1,6 +1,6 @@
 Name:          libspectre
 Version:       0.2.12
-Release:       1mamba
+Release:       2mamba
 Summary:       A library for rendering PostScript(TM) documents
 Group:         System/Libraries
 Vendor:        openmamba
@@ -13,6 +13,7 @@ License:       GPL
 BuildRequires: glibc-devel
 BuildRequires: libgs-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libgs-devel >= 10.01.2-1mamba
 
 %description
 %{name} is a small library for rendering PostScript(TM) documents. 
@@ -71,6 +72,9 @@ The %{name}-static package contains libraries for developing applications that u
 %{_libdir}/*.a
 
 %changelog
+* Sun Sep 03 2023 Automatic Build System <autodist@mambasoft.it> 0.2.12-2mamba
+- rebuilt by autoport with build requirements: libgs-devel>=10.01.2-1mamba
+
 * Mon Jan 09 2023 Automatic Build System <autodist@mambasoft.it> 0.2.12-1mamba
 - automatic version update by autodist