diff --git a/prawn-2.2.2.gem b/prawn-2.2.2.gem
deleted file mode 100644
index 3073adc..0000000
Binary files a/prawn-2.2.2.gem and /dev/null differ
diff --git a/prawn-2.4.0-data.txz b/prawn-2.4.0-data.txz
new file mode 100644
index 0000000..28e7170
Binary files /dev/null and b/prawn-2.4.0-data.txz differ
diff --git a/prawn-2.4.0.gem b/prawn-2.4.0.gem
new file mode 100644
index 0000000..17a101e
Binary files /dev/null and b/prawn-2.4.0.gem differ
diff --git a/prawn-fix-test-errors.patch b/prawn-fix-test-errors.patch
deleted file mode 100644
index 5c47575..0000000
--- a/prawn-fix-test-errors.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- lib/prawn/font.rb.orig	2018-11-08 20:45:32.309671191 +0000
-+++ lib/prawn/font.rb	2018-11-08 20:46:17.537133702 +0000
-@@ -384,7 +384,7 @@
-     end
- 
-     def identifier_for(subset) #:nodoc:
--      "#{@identifier}.#{subset}"
-+      "#{@identifier}.#{subset}".to_sym
-     end
- 
-     def inspect #:nodoc:
diff --git a/rubygem-prawn.spec b/rubygem-prawn.spec
index 385f783..d11b4b1 100644
--- a/rubygem-prawn.spec
+++ b/rubygem-prawn.spec
@@ -1,16 +1,20 @@
 %global gem_name prawn
 Summary:             A fast and nimble PDF generator for Ruby
 Name:                rubygem-%{gem_name}
-Version:             2.2.2
-Release:             2
+Version:             2.4.0
+Release:             1
 License:             (GPLv2 or GPLv3 or Ruby) and APAFML
 URL:                 https://github.com/prawnpdf/prawn
 Source0:             http://rubygems.org/gems/prawn-%{version}.gem
-Patch0:              prawn-fix-test-errors.patch
+# git clone --no-checkout https://github.com/prawnpdf/prawn.git
+# cd prawn && git archive -v -o prawn-2.4.0-data.txz 2.4.0 data
+Source1:             %{gem_name}-%{version}-data.txz
 BuildRequires:       ruby(release) rubygems-devel >= 1.3.6 rubygem(rspec) >= 3.0
-BuildRequires:       rubygem(ttfunk) >= 1.5 rubygem(pdf-reader) >= 1.4.0
-BuildRequires:       rubygem(pdf-inspector) >= 1.2.1 rubygem(pdf-core) >= 0.7.0
+BuildRequires:       rubygem(ttfunk) >= 1.7 rubygem(pdf-reader) >= 1.4.0
+BuildRequires:       rubygem(pdf-inspector) >= 1.2.1 rubygem(pdf-core) >= 0.9.0
+BuildRequires:       rubygem-bigdecimal rubygem(matrix)
 BuildArch:           noarch
+
 %description
 Prawn is a pure Ruby PDF generation library that provides a lot of great
 functionality while trying to remain simple and reasonably performant.
@@ -43,14 +47,14 @@ BuildArch:           noarch
 Documentation for %{name}
 
 %prep
-%setup -q -n %{gem_name}-%{version}
-%gemspec_remove_dep -g pdf-core "~> 0.7.0"
-%gemspec_add_dep -g pdf-core ">= 0.7.0"
-%patch0
+%setup -q -n %{gem_name}-%{version} -b1
+# matrix is bundled gem since Ruby 3.1.
+# https://github.com/prawnpdf/prawn/commit/3658d5125c3b20eb11484c3b039ca6b89dc7d1b7
+%gemspec_add_dep -g matrix '~> 0.4'
 
 %build
 gem build ../%{gem_name}-%{version}.gemspec
-%gem_install -n %{gem_name}-%{version}.gem
+%gem_install
 
 %install
 mkdir -p %{buildroot}%{gem_dir}
@@ -59,11 +63,16 @@ cp -a .%{gem_dir}/* \
 
 %check
 pushd .%{gem_instdir}
+rm -rf data
+ln -s %{_builddir}/data .
+
 sed -i "/^require 'bundler'/d" ./spec/spec_helper.rb
 sed -i "/^Bundler.setup/d" ./spec/spec_helper.rb
-rspec spec \
-  | tee /dev/stderr \
-  | grep '850 examples, 106 failures'
+
+# manual_builder dependency is not yet
+mv spec/prawn_manual_spec.rb{,.disable}
+
+rspec spec
 popd
 
 %files
@@ -76,7 +85,6 @@ popd
 %doc %{gem_instdir}/GPLv2
 %doc %{gem_instdir}/GPLv3
 %exclude %{gem_instdir}/%{gem_name}.gemspec
-%doc %{gem_instdir}/data/fonts/MustRead.html
 %{gem_instdir}/data/fonts/*.afm
 %exclude %{gem_instdir}/.yardopts
 
@@ -86,8 +94,12 @@ popd
 %{gem_instdir}/Rakefile
 %{gem_instdir}/spec
 %doc %{gem_instdir}/manual
+%doc %{gem_instdir}/data/fonts/MustRead.html
 
 %changelog
+* Tue Jan 17 2023 caodongxia <caodongxia@h-partners.com> - 2.4.0-1
+- update to 2.4.0
+
 * Wed Feb 23 2022 chenchen <chen_aka_jan@163.com> - 2.2.2-2
 - fix build error by upgrading to ruby3