diff --git a/rubygem-nokogiri.spec b/rubygem-nokogiri.spec
index cc7caf3..2260dc8 100644
--- a/rubygem-nokogiri.spec
+++ b/rubygem-nokogiri.spec
@@ -1,7 +1,7 @@
 %global	mainver		1.13.1
 #%%global	prever		.rc4
 
-%global	mainrel		1
+%global	mainrel		2
 %global	prerpmver		%(echo "%{?prever}" | sed -e 's|\\.||g')
 
 %global	gem_name	nokogiri
@@ -12,7 +12,7 @@
 Summary:	An HTML, XML, SAX, and Reader parser
 Name:		rubygem-%{gem_name}
 Version:	%{mainver}
-Release:	%{?prever:0.}%{mainrel}%{?prever:.%{prerpmver}}%{?dist}.2
+Release:	%{?prever:0.}%{mainrel}%{?prever:.%{prerpmver}}%{?dist}
 
 # MIT: see LICENSE.md
 # ASL 2.0
@@ -215,13 +215,18 @@ pushd ./%{gem_instdir}
 
 # Remove unneeded simplecov coverage test
 sed -i test/helper.rb \
-	-e '\@require.*simplecov@,\@^end$@d'
+	-e '\@require.*simplecov@,\@^end$@s|^|#|'
 
 # Remove minitest-reporters. It does not provide any additional value while
 # it blows up the dependency chain.
 sed -i '/require..minitest.reporters./ s/^/#/' test/helper.rb
 sed -i '/Minitest::Reporters/ s/^/#/' test/helper.rb
 
+# PPC64LE with ruby3.1 does not seem to support GC.compact
+%ifarch ppc64le x86_64
+export NOKOGIRI_TEST_GC_LEVEL=major
+%endif
+
 # Need investigation. For now anyway build
 env \
 	RUBYLIB=".:lib:test:ext" \
@@ -260,6 +265,10 @@ popd
 %{gem_dir}/doc/%{gem_name}-%{mainver}%{?prever}/
 
 %changelog
+* Wed Jan 26 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.13.1-2
+- Set NOKOGIRI_TEST_GC_LEVEL to major on ppc64le as
+  ruby31 does not seem to support GC.compat on the platform
+
 * Wed Jan 26 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.13.1-1.2
 - F-36: rebuild against ruby31