diff --git a/libtool.spec b/libtool.spec
index 776db18..e469958 100644
--- a/libtool.spec
+++ b/libtool.spec
@@ -1,8 +1,8 @@
 %define        pkgver %(echo %version | sed "s|[a-z]||")
-%define        gccver 10.2.0
+%define        gccver 11.1.0
 Name:          libtool
 Version:       2.4.6
-Release:       14mamba
+Release:       15mamba
 Summary:       The GNU libtool, which simplifies the use of shared libraries
 Group:         Development/Tools
 Vendor:        openmamba
@@ -19,7 +19,6 @@ BuildRequires: gcc = %{gccver}
 Requires(post):%{__install_info}
 Requires:      ldconfig >= 2.3.4
 Requires:      gcc = %{gccver}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 The libtool package contains the GNU libtool, a set of shell scripts which automatically configure UNIX and UNIX-like architectures to generically build shared libraries.
@@ -118,6 +117,9 @@ This package contains static libraries and header files needed for development.
 #%doc ChangeLog* NEWS README THANKS TODO doc/PLATFORMS
 
 %changelog
+* Tue May 04 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.6-15mamba
+- rebuilt with gcc 11.1.0
+
 * Sat Jan 30 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.6-14mamba
 - rebuilt with debug package