diff --git a/Makefile b/Makefile
index 93443f3..3b50dbc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION ?= 18.2.3
+VERSION ?= 18.3.0-rc4
 SANITIZE ?= 1
 
 DIRNAME = mesa-${VERSION}
diff --git a/mesa.spec b/mesa.spec
index faeaa59..a876202 100644
--- a/mesa.spec
+++ b/mesa.spec
@@ -41,9 +41,9 @@
 
 Name:           mesa
 Summary:        Mesa graphics libraries
-%global ver 18.3.0-rc2
+%global ver 18.3.0-rc4
 Version:        %{lua:ver = string.gsub(rpm.expand("%{ver}"), "-", "~"); print(ver)}
-Release:        2%{?dist}
+Release:        1%{?dist}
 License:        MIT
 URL:            http://www.mesa3d.org
 
@@ -625,6 +625,9 @@ popd
 %{_includedir}/vulkan/
 
 %changelog
+* Tue Nov 27 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 18.3.0~rc4-1
+- Update to 18.3.0~rc4
+
 * Thu Nov 15 2018 Adam Jackson <ajax@redhat.com> 18.3.0~rc2-2
 - Add mesa-khr-devel subpackage to hold <KHR/khrplatform.h>, and make
   mesa-lib{GL,GLES,EGL}-devel Require it.
diff --git a/sources b/sources
index 35a41a2..4d7cd92 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (mesa-18.3.0-rc2.tar.xz) = 57970fcfc9a99c826283759acb681c7db7287704e874d5e4c0b38172acf92165068360030f435aa01df3a74f73f1e3a9f72d26fbe91101bbb1a9a2b0cafa8b11
+SHA512 (mesa-18.3.0-rc4.tar.xz) = 46f493b07d079b6eecdf957909be57bedea54d86253914cc08a1c457168149fac7cdadba5023122dbe939ef56fcc413b537b712a4441918fe2b844159726f92e