diff --git a/go-md2man.spec b/go-md2man.spec
index 41762fa..ca15357 100644
--- a/go-md2man.spec
+++ b/go-md2man.spec
@@ -1,6 +1,6 @@
 Name:          go-md2man
 Version:       1.0.10
-Release:       1mamba
+Release:       2mamba
 Summary:       go md to man conversion tool
 Group:         Development/Tools
 Vendor:        openmamba
@@ -15,26 +15,28 @@ BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libgo-devel
 ## AUTOBUILDREQ-END
-BuildRequires: libgo-devel >= 8.1.0
+BuildRequires: go-pie
+BuildRequires: libgo-devel >= 9.2.0
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 go md to man conversion tool.
 
 %prep
-%setup -q
+%setup -q -c -a0
+install -d build/src/github.com/cpuguy83
+mv go-md2man-%{version} build/src/github.com/cpuguy83/go-md2man
 
 %build
-export GOPATH=$(readlink -f .)
-repo=src/github.com/cpuguy83
-mkdir -p $repo
-ln -sf ../../.. $repo/go-md2man
-go get ./... || true
-go build -v -o go-md2man github.com/cpuguy83/go-md2man
+cd build/src/github.com/cpuguy83/go-md2man
+export GOPATH=%{_builddir}/%{name}-%{version}/build
+
+GOROOT=%{_libdir}/go go build -v -o go-md2man 
 ./go-md2man -in=go-md2man.1.md -out=go-md2man.1
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+cd build/src/github.com/cpuguy83/go-md2man
 install -Dm755 go-md2man %{buildroot}%{_bindir}/go-md2man
 install -Dm755 go-md2man.1 %{buildroot}%{_mandir}/man1/go-md2man.1
 
@@ -44,10 +46,13 @@ install -Dm755 go-md2man.1 %{buildroot}%{_mandir}/man1/go-md2man.1
 %files
 %defattr(-,root,root)
 %{_bindir}/go-md2man
-%{_mandir}/man1/go-md2man.1.gz
-%doc LICENSE.md
+%{_mandir}/man1/go-md2man.1*
+%doc build/src/github.com/cpuguy83/go-md2man/LICENSE.md
 
 %changelog
+* Wed Aug 28 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.10-2mamba
+- rebuilt with gcc (libgo) 9.2.0
+
 * Sat Mar 30 2019 Automatic Build System <autodist@mambasoft.it> 1.0.10-1mamba
 - automatic version update by autodist