diff --git a/.gitignore b/.gitignore
index 9055ac4..418faa2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /rouge-*gem
+/rouge-*-test-missing-files.tar.gz
diff --git a/bundler.rb b/bundler.rb
new file mode 100644
index 0000000..6ad8460
--- /dev/null
+++ b/bundler.rb
@@ -0,0 +1,6 @@
+module Bundler
+  class << self
+    def require
+    end
+  end
+end
diff --git a/rouge-create-missing-test-files.sh b/rouge-create-missing-test-files.sh
new file mode 100644
index 0000000..eb18660
--- /dev/null
+++ b/rouge-create-missing-test-files.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+usage() {
+	echo "$0 <VERSION>"
+}
+
+set -e
+set -x
+
+if [ $# -lt 1 ] ; then
+	usage
+	exit 1
+fi
+
+VERSION=$1
+REPONAME=rouge
+
+TMPDIR=$(mktemp -d /tmp/rouge-XXXXXX)
+CURDIR=$(pwd)
+
+pushd $TMPDIR
+
+git clone https://github.com/rouge-ruby/${REPONAME}.git
+cd rouge/
+
+git reset --hard v$VERSION
+cd ..
+ln -sf ${REPONAME} ${REPONAME}-${VERSION}
+tar czf $CURDIR/rouge-${VERSION}-test-missing-files.tar.gz ${REPONAME}-${VERSION}/spec/
+
+popd
+rm -rf $TMPDIR
+
diff --git a/rubygem-rouge-pr1912-espace-hash-in-regex-ruby32.patch b/rubygem-rouge-pr1912-espace-hash-in-regex-ruby32.patch
new file mode 100644
index 0000000..a2a7055
--- /dev/null
+++ b/rubygem-rouge-pr1912-espace-hash-in-regex-ruby32.patch
@@ -0,0 +1,24 @@
+From 97deb402cf670d6f0708ab583f1b7d769d477c0b Mon Sep 17 00:00:00 2001
+From: Tan Le <tan.le@hey.com>
+Date: Fri, 13 Jan 2023 17:31:18 +1100
+Subject: [PATCH 3/3] Escape character that causes parsing issue
+
+This ensures we escape `#` character to avoid parsing issue in Ruby 3.2.
+This change is backward compatible with earlier versions.
+---
+ lib/rouge/lexers/ghc_cmm.rb | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/rouge/lexers/ghc_cmm.rb b/lib/rouge/lexers/ghc_cmm.rb
+index 481bf20f9..1bbfb6be0 100644
+--- a/lib/rouge/lexers/ghc_cmm.rb
++++ b/lib/rouge/lexers/ghc_cmm.rb
+@@ -22,7 +22,7 @@ class GHCCmm < RegexLexer
+       ws = %r(\s|//.*?\n|/[*](?:[^*]|(?:[*][^/]))*[*]+/)mx
+ 
+       # Make sure that this is not a preprocessor macro, e.g. `#if` or `#define`.
+-      id = %r((?!#[a-zA-Z])[\w#\$%_']+)
++      id = %r((?!\#[a-zA-Z])[\w#\$%_']+)
+ 
+       complex_id = %r(
+         (?:[\w#$%_']|\(\)|\(,\)|\[\]|[0-9])*
diff --git a/rubygem-rouge.spec b/rubygem-rouge.spec
index 9e603f9..df9d1c9 100644
--- a/rubygem-rouge.spec
+++ b/rubygem-rouge.spec
@@ -2,16 +2,25 @@
 
 Name:           rubygem-%{gem_name}
 Version:        4.0.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Pure-ruby colorizer based on pygments
 License:        MIT and BSD
 
 URL:            http://rouge.jneen.net/
 Source0:        https://rubygems.org/gems/%{gem_name}-%{version}.gem
-
+Source1:        %{gem_name}-%{version}-test-missing-files.tar.gz
+# SOURCE1 is created by $ bash %%SOURCE2 %%version
+Source2:        rouge-create-missing-test-files.sh
+Source10:       spec_helper_assert.rb
+Source11:       bundler.rb
+# https://github.com/rouge-ruby/rouge/pull/1912
+# Escape hash character in regex to avoid parsing issue in Ruby 3.2
+Patch0:		%{name}-pr1912-espace-hash-in-regex-ruby32.patch
 BuildRequires:  ruby(release)
 BuildRequires:  rubygems-devel
 BuildRequires:  help2man
+BuildRequires:  rubygem(minitest)
+BuildRequires:  rubygem(rake)
 
 BuildArch:      noarch
 
@@ -29,14 +38,20 @@ Documentation for %{name}.
 
 
 %prep
-%setup -q -n %{gem_name}-%{version}
+%setup -q -n %{gem_name}-%{version} -a 1
 mv ../%{gem_name}-%{version}.gemspec .
 
+cp -a %{gem_name}-%{version}/spec .
+mkdir FAKE
+cp -a %{SOURCE11} FAKE/
+cp -pa %{SOURCE10} spec/
+
+%patch0 -p1
+
 %build
 gem build %{gem_name}-%{version}.gemspec
 %gem_install
 
-
 %install
 mkdir -p %{buildroot}%{gem_dir}
 cp -a .%{gem_dir}/* %{buildroot}%{gem_dir}/
@@ -61,6 +76,15 @@ rm -rf \
     %{nil}
 popd
 
+%check
+find spec -name \*_spec.rb -print0 | \
+	sort --zero-terminated |  \
+	xargs --null ruby -Ilib:FAKE \
+	-r./spec/spec_helper \
+	-r./spec/spec_helper_assert \
+	-r rake/rake_test_loader  \
+	%{nil}
+
 %files
 %dir %{gem_instdir}
 
@@ -80,6 +104,10 @@ popd
 %{gem_libdir}/%{gem_name}/demos
 
 %changelog
+* Sun Feb 12 2023 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.0.1-3
+- Execute spec test provided by the upstream
+- Backport upstream patch for ruby32 regex issue with hash character
+
 * Fri Jan 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 4.0.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
 
diff --git a/sources b/sources
index 5b819cd..70c048f 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 SHA512 (rouge-4.0.1.gem) = 49dc512e38b7109368ab827c5423174f5911b1c5a47257170b62c093041412abbefcf998b1e03bb2d994a2fb724eb8fb7868875bad440203b4203a31336b7108
+SHA512 (rouge-4.0.1-test-missing-files.tar.gz) = c906f60c3427b2d70cb621e9aa083713e1d242c3c221f932505d4307af1555775763b1795fb50563c44a7038651d6e20f27ec35c4d4a69202e583cbdb955efaf
diff --git a/spec_helper_assert.rb b/spec_helper_assert.rb
new file mode 100644
index 0000000..a063576
--- /dev/null
+++ b/spec_helper_assert.rb
@@ -0,0 +1,24 @@
+module Minitest
+	module Assertions
+
+	alias_method :assert_orig, :assert
+	alias_method :refute_orig, :refute
+
+	def assert(test = nil, msg = nil, &block)
+	  if block_given?
+	    assert_orig yield
+	  else
+	    assert_orig test, msg
+	  end
+	end
+
+	def refute(test = nil, msg = nil, &block)
+	  if block_given?
+	    refute_orig yield
+	  else
+	    refute_orig test, msg
+	  end
+	end
+
+	end
+end