diff --git a/.gitignore b/.gitignore
index 914619b..09c1d2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /test-unit-2.4.5.gem
 /test-unit-2.5.3.gem
 /test-unit-2.5.4.gem
+/test-unit-2.5.5.gem
diff --git a/rubygem-gettext-2.3.7-CSV-detect-newer.patch b/rubygem-gettext-2.3.7-CSV-detect-newer.patch
deleted file mode 100644
index afb9b24..0000000
--- a/rubygem-gettext-2.3.7-CSV-detect-newer.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-From 936bb463e1e47f5bee767027a25bf211876d8be9 Mon Sep 17 00:00:00 2001
-From: Kouhei Sutou <kou@clear-code.com>
-Date: Thu, 28 Feb 2013 00:15:51 +0900
-Subject: [PATCH] Use CSV::VERSION to detect newer CSV library
-
-CSV.dump (and CSV.load) had been removed since Ruby 2.0.0.
-
-GitHub: fix #54
-
-Reported by mtasaka. Thanks!!!
----
- lib/test/unit/data.rb |    2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/lib/test/unit/data.rb b/lib/test/unit/data.rb
-index 3fec326..9f71f01 100644
---- a/lib/test/unit/data.rb
-+++ b/lib/test/unit/data.rb
-@@ -194,7 +194,7 @@ def load_csv(file_name)
-           # @api private
-           def load_tsv(file_name)
-             require "csv"
--            if CSV.respond_to?(:dump)
-+            if CSV.const_defined?(:VERSION)
-               first_row = true
-               header = nil
-               CSV.foreach(file_name, :col_sep => "\t") do |row|
--- 
-1.7.10
-
diff --git a/rubygem-test-unit.spec b/rubygem-test-unit.spec
index 41e49fa..9c83dd6 100644
--- a/rubygem-test-unit.spec
+++ b/rubygem-test-unit.spec
@@ -5,8 +5,8 @@
 
 Summary:	Improved version of Test::Unit bundled in Ruby 1.8.x
 Name:		rubygem-%{gem_name}
-Version:	2.5.4
-Release:	3%{?dist}
+Version:	2.5.5
+Release:	1%{?dist}
 Group:		Development/Languages
 # lib/test/unit/diff.rb is under GPLv2 or Ruby or Python
 # lib/test-unit.rb is under LGPLv2+ or Ruby
@@ -15,9 +15,6 @@ License:	(GPLv2 or Ruby) and (GPLv2 or Ruby or Python) and (LGPLv2+ or Ruby)
 URL:		http://rubyforge.org/projects/test-unit/
 
 Source0:	http://rubygems.org/gems/%{gem_name}-%{version}.gem
-# https://github.com/test-unit/test-unit/issues/54
-# https://github.com/test-unit/test-unit/commit/936bb463e1e47f5bee76702.patch
-Patch0:	rubygem-gettext-2.3.7-CSV-detect-newer.patch
 
 BuildRequires:	ruby(release)
 BuildRequires:	rubygems
@@ -56,8 +53,6 @@ pushd tmpunpackdir
 gem unpack %{SOURCE0}
 cd %{gem_name}-%{version}
 
-%patch0 -p1
-
 gem specification -l --ruby %{SOURCE0} > %{gem_name}.gemspec
 gem build %{gem_name}.gemspec
 mv %{gem_name}-%{version}.gem $TOPDIR
@@ -111,6 +106,9 @@ popd
 %{gem_docdir}/
 
 %changelog
+* Thu Jul 18 2013 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.5.5-1
+- 2.5.5
+
 * Thu Feb 28 2013 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.5.4-3
 - Patch for CSV support (patch by upstream)
 
diff --git a/sources b/sources
index 16f6694..2e9178d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-af76916d97034e9f4f8936ab1dc90b8f  test-unit-2.5.4.gem
+330ec9fb1cb03f869bbb20274672e297  test-unit-2.5.5.gem