diff --git a/.gitignore b/.gitignore
index 7de418a..1e6109a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,5 @@ nokogiri-1.4.3.1.gem
 /rubygem-nokogiri-1.10.9-full.tar.gz
 /nokogiri-1.10.10.gem
 /rubygem-nokogiri-1.10.10-full.tar.gz
+/nokogiri-1.11.0.rc4.gem
+/rubygem-nokogiri-1.11.0.rc4-full.tar.gz
diff --git a/rubygem-nokogiri-1.11.0.rc4-shutdown-libxml2-warning.patch b/rubygem-nokogiri-1.11.0.rc4-shutdown-libxml2-warning.patch
new file mode 100644
index 0000000..c1ed61c
--- /dev/null
+++ b/rubygem-nokogiri-1.11.0.rc4-shutdown-libxml2-warning.patch
@@ -0,0 +1,10 @@
+--- nokogiri-1.11.0.rc4/lib/nokogiri/version/info.rb.warn	2020-12-31 16:56:11.533949657 +0900
++++ nokogiri-1.11.0.rc4/lib/nokogiri/version/info.rb	2020-12-31 16:59:38.576697147 +0900
+@@ -58,6 +58,7 @@ module Nokogiri
+ 
+     def warnings
+       warnings = []
++      return warnings
+ 
+       if libxml2?
+         if compiled_libxml_version != loaded_libxml_version
diff --git a/rubygem-nokogiri-1.6.6.4-shutdown-libxml2-warning.patch b/rubygem-nokogiri-1.6.6.4-shutdown-libxml2-warning.patch
deleted file mode 100644
index add8fe8..0000000
--- a/rubygem-nokogiri-1.6.6.4-shutdown-libxml2-warning.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- nokogiri-1.6.6.4/./lib/nokogiri/version.rb.nowarn	2015-11-20 05:50:37.000000000 +0900
-+++ nokogiri-1.6.6.4/./lib/nokogiri/version.rb	2015-12-11 14:32:04.151973080 +0900
-@@ -34,6 +34,7 @@
-     end
- 
-     def warnings
-+      return []
-       return [] unless libxml2?
- 
-       if compiled_parser_version != loaded_parser_version
diff --git a/rubygem-nokogiri.spec b/rubygem-nokogiri.spec
index db0a6db..d43beec 100644
--- a/rubygem-nokogiri.spec
+++ b/rubygem-nokogiri.spec
@@ -1,7 +1,7 @@
-%global	mainver		1.10.10
-#%%global	prever		.rc3
+%global	mainver		1.11.0
+%global	prever		.rc4
 
-%global	mainrel		2
+%global	mainrel		1
 %global	prerpmver		%(echo "%{?prever}" | sed -e 's|\\.||g')
 
 %global	gem_name	nokogiri
@@ -17,18 +17,19 @@ License:	MIT
 URL:		http://nokogiri.rubyforge.org/nokogiri/
 Source0:	https://rubygems.org/gems/%{gem_name}-%{mainver}%{?prever}.gem
 # %%{SOURCE2} %%{name} %%{version}
-Source1:	rubygem-%{gem_name}-%{version}-full.tar.gz
+Source1:	rubygem-%{gem_name}-%{version}%{?prever}-full.tar.gz
 Source2:	nokogiri-create-full-tarball.sh
 # ./test/html/test_element_description.rb:62 fails, as usual......
 # Patch0:		rubygem-nokogiri-1.5.0.beta3-test-failure.patch
 #Patch0:		rubygem-nokogiri-1.5.0-allow-non-crosscompile.patch
 # Shut down libxml2 version unmatching warning
-Patch0:	%{name}-1.6.6.4-shutdown-libxml2-warning.patch
+Patch0:	%{name}-1.11.0.rc4-shutdown-libxml2-warning.patch
 BuildRequires:	ruby(release)
 BuildRequires:	ruby(rubygems)
 ##
 ## For %%check
 BuildRequires:	rubygem(minitest)
+BuildRequires:	rubygem(minitest-reporters)
 BuildRequires:	rubygems-devel
 Obsoletes:		ruby-%{gem_name} <= 1.5.2-2
 #BuildRequires:	ruby(racc)
@@ -159,6 +160,7 @@ cp -p %{gem_name}-%{version}/[A-Z]* %{buildroot}%{gem_instdir}/
 rm -rf %{buildroot}%{gem_instdir}/ext/%{gem_name}/
 rm -rf %{buildroot}%{gem_instdir}/tmp/
 rm -f %{buildroot}%{gem_instdir}/{.autotest,.require_paths,.gemtest,.travis.yml}
+rm -f %{buildroot}%{gem_instdir}/.vagant
 rm -f %{buildroot}%{gem_instdir}/appveyor.yml
 rm -f %{buildroot}%{gem_instdir}/.cross_rubies
 rm -f %{buildroot}%{gem_instdir}/{build_all,dependencies.yml,test_all}
@@ -187,8 +189,9 @@ sed -i test/helper.rb \
 	-e '\@require.*simplecov@,\@^end$@d'
 
 # Need investigation. For now anyway build
-ruby \
-	-I.:lib:test:ext \
+env \
+	RUBYLIB=".:lib:test:ext" \
+	ruby \
 	-e \
 	"require 'test/helper' ; Dir.glob('test/**/test_*.rb'){|f| require f}" || \
 	exit 1
@@ -229,6 +232,9 @@ popd
 %{gem_dir}/doc/%{gem_name}-%{mainver}%{?prever}/
 
 %changelog
+* Thu Dec 31 2020 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.11.0-0.1.rc4
+- 1.11.0.rc4
+
 * Thu Oct 22 2020 Vít Ondruch <vondruch@redhat.com> - 1.10.10-2
 - Drop unnecessary rubygem(pkg-config) dependency.
 
diff --git a/sources b/sources
index 64bf752..55f39ca 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nokogiri-1.10.10.gem) = b4628df47dbd8b9123a6f0625829e745a19d26539d54b2748c985d6fdda978072bdcd136df2f47535984186eae7fb318b67d59f1ea413777f1a146bc78e0dae2
-SHA512 (rubygem-nokogiri-1.10.10-full.tar.gz) = 441bcb80afd9ea6eb0722c48b6df50e01f4977c7392b2c24bba0f9ea8a0755e63c6c28023730c960783b6c8a408b082ae8dd9982632131edd438fa7389a7b4f6
+SHA512 (nokogiri-1.11.0.rc4.gem) = fc5c7100632d2137cfcfad27e0bff67babc238252e6260c6aa8ae6a509ac8fb13bce43567552487390d13d5cb138ffc8a8b3935063512d03e7dfb202090beda6
+SHA512 (rubygem-nokogiri-1.11.0.rc4-full.tar.gz) = 3fd86214c757715600406a8a296f97876740b4492ff698a380d7895544aca6d3f2735f19a24ba2ac90af1429027ade91a989ff432b24aba5626b87caddd9ab46