diff --git a/.gitignore b/.gitignore
index 55439fa..f268ab9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /gdk3-2.2.3.gem
 /gdk3-2.2.4.gem
 /gdk3-2.2.5.gem
+/gdk3-3.0.4.gem
diff --git a/rubygem-gdk3.spec b/rubygem-gdk3.spec
index 1b8179a..d922c9c 100644
--- a/rubygem-gdk3.spec
+++ b/rubygem-gdk3.spec
@@ -1,12 +1,12 @@
 %global	header_dir	%{ruby_vendorarchdir}
 %global	gem_name	gdk3
-%global	glib_min_ver	2.2.4
+%global	glib_min_ver	3.0.4
 
 # Planned for F-20+ only
 Summary:	Ruby binding of GDK-3.x
 Name:		rubygem-%{gem_name}
-Version:	2.2.5
-Release:	2%{?dist}
+Version:	3.0.4
+Release:	1%{?dist}
 
 Group:		Development/Languages
 # Various files in gem
@@ -77,13 +77,15 @@ pushd tmpunpackdir
 gem unpack %{SOURCE0}
 cd %{gem_name}-%{version}
 
+#Patches
+
 # Permission
 find . -name \*.rb -print0 | xargs --null chmod 0644
 
 gem specification -l --ruby %{SOURCE0} > %{gem_name}.gemspec
 
 # Allow ruby-gnome2 no less than ones
-sed -i -e 's|= 2\.2\.5|>= 2.2.5|' %{gem_name}.gemspec
+sed -i -e 's|= 3\.0\.4|>= 3.0.4|' %{gem_name}.gemspec
 
 # Add license text
 install -cpm 644 %{SOURCE1} ./COPYING.LIB
@@ -145,7 +147,6 @@ popd
 
 xvfb-run \
 	ruby -Ilib:test:ext/%{gem_name} ./test/run-test.rb
-
 popd
 
 
@@ -177,6 +178,12 @@ popd
 %exclude	%{gem_instdir}/test/
 
 %changelog
+* Tue Sep 22 2015 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.0.4-1
+- 3.0.4
+
+* Mon Sep 21 2015 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.0.3-1
+- 3.0.3
+
 * Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.2.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
 
diff --git a/sources b/sources
index a5049f5..f34d676 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-dfe2d1c0e0fb1ed18a9cc77f8bf9da86  gdk3-2.2.5.gem
+f98e7897ff12ba5b80235b25e1b4e13a  gdk3-3.0.4.gem