diff --git a/.gitignore b/.gitignore
index 56551a1..63f5321 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /mysql2-0.3.13.gem
 /mysql2-0.3.15.gem
 /mysql2-0.3.16.gem
+/mysql2-0.4.0.gem
diff --git a/rubygem-mysql2.spec b/rubygem-mysql2.spec
index 44933c1..36bd6d9 100644
--- a/rubygem-mysql2.spec
+++ b/rubygem-mysql2.spec
@@ -2,8 +2,8 @@
 %global gem_name mysql2
 
 Name: rubygem-%{gem_name}
-Version: 0.3.16
-Release: 5%{?dist}
+Version: 0.4.0
+Release: 1%{?dist}
 Summary: A simple, fast Mysql library for Ruby, binding to libmysql
 Group: Development/Languages
 License: MIT
@@ -79,15 +79,19 @@ rm -rf %{buildroot}%{gem_instdir}/spec
 %exclude %{gem_cache}
 %{gem_spec}
 %exclude %{gem_instdir}/support
-%doc %{gem_instdir}/MIT-LICENSE
+%license %{gem_instdir}/LICENSE
 
 %files doc
 %doc %{gem_docdir}
 %doc %{gem_instdir}/README.md
+%doc %{gem_instdir}/CHANGELOG.md
 %{gem_instdir}/examples
 
 
 %changelog
+* Tue Sep  8 2015 Miroslav Suchý <msuchy@redhat.com> 0.4.0-1
+- rebase to mysql2-0.4.0
+
 * Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.3.16-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
 
diff --git a/sources b/sources
index 07e98bd..5011baa 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-49ed8d9f8a2ce296eb47a507f3711d42  mysql2-0.3.16.gem
+c0e8cd8a524438cb74b0937819fa772e  mysql2-0.4.0.gem