diff --git a/.gitignore b/.gitignore
index 65419d6..88cb2e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /.project
 /*.src.rpm
 /noarch/
+/egit-github-4.0.0.201505260635-rc2.tar.xz
diff --git a/eclipse-egit-github.spec b/eclipse-egit-github.spec
index 1856550..b4c7f0d 100644
--- a/eclipse-egit-github.spec
+++ b/eclipse-egit-github.spec
@@ -1,13 +1,13 @@
-%global version_suffix 201502260915-r
+%global version_suffix 201505260635-rc2
 
 Name:			eclipse-egit-github
-Version:		3.7.0
-Release:		1%{?dist}
+Version:		4.0.0
+Release:		0.1.rc2%{?dist}
 Summary:		Eclipse EGit Mylyn GitHub Connector
 
 License:		EPL
 URL:			http://www.eclipse.org/egit/
-Source0:		https://git.eclipse.org/c/egit/egit-github.git/snapshot/egit-github-%{version}.%{version_suffix}.tar.bz2
+Source0:		https://git.eclipse.org/c/egit/egit-github.git/snapshot/egit-github-%{version}.%{version_suffix}.tar.xz
 BuildArch:		noarch
 BuildRequires:	tycho
 BuildRequires:	google-gson
@@ -61,6 +61,9 @@ popd
 
 
 %changelog
+* Thu May 28 2015 Alexander Kurtakov <akurtako@redhat.com> 4.0.0-0.1.rc2
+- Update to 4.0 rc2.
+
 * Thu May 7 2015 Alexander Kurtakov <akurtako@redhat.com> 3.7.0-1
 - Update to upstream 3.7.0 release.
 
diff --git a/sources b/sources
index 7d374e8..5377c78 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f7115e4bac9f323b64278abd7a9bfdcd  egit-github-3.7.0.201502260915-r.tar.bz2
+c4948406dd9a40840a48a5a8ff3efce2  egit-github-4.0.0.201505260635-rc2.tar.xz