diff --git a/.gitignore b/.gitignore
index 66caed1..9b40ec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ marc-0.3.3.gem
 /marc-0.5.1.gem
 /marc-0.6.0.gem
 /marc-0.7.1.gem
+/marc-0.8.1.gem
diff --git a/rubygem-marc.spec b/rubygem-marc.spec
index 6763977..32a3775 100644
--- a/rubygem-marc.spec
+++ b/rubygem-marc.spec
@@ -10,7 +10,7 @@
 %global		gem_name	marc
 
 Name:		rubygem-%{gem_name}
-Version:	0.7.1
+Version:	0.8.1
 Release:	1%{?dist}
 Summary:	Ruby library for MARC catalog
 Group:		Development/Languages
@@ -32,7 +32,12 @@ BuildRequires:	ruby
 BuildRequires:	rubygems-devel
 BuildRequires:	rubygem(test-unit)
 BuildRequires:	rubygem(xml-simple)
+BuildRequires:	rubygem(nokogiri)
+BuildRequires:	rubygem(unf)
+BuildRequires:	rubygem(ensure_valid_encoding)
 Requires:	ruby(rubygems)
+Requires:	rubygem(unf)
+Requires:	rubygem(ensure_valid_encoding)
 Provides:	rubygem(%{gem_name}) = %{version}-%{release}
 %if 0%{?fedora} >= 17
 Obsoletes:	ruby-%{gem_name} <= %{version}-%{release}
@@ -112,6 +117,9 @@ ruby -Ilib:. -r marc -r test/unit -e 'Dir.glob("test/tc_*.rb"){|f| require f }'
 
 
 %changelog
+* Tue Dec 31 2013 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.8.1-1
+- 0.8.1
+
 * Fri Sep 27 2013 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.7.1-1
 - 0.7.1
 
diff --git a/sources b/sources
index 346ead0..501b438 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-d327ffa75bbb7d94816aa85c64c89f20  marc-0.7.1.gem
+7c870b9c61b44d0820706326e5c03671  marc-0.8.1.gem