diff --git a/Makefile b/Makefile
index 78ee843..5e1a053 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION ?= 18.1.0-rc3
+VERSION ?= 18.1.0-rc4
 SANITIZE ?= 1
 
 DIRNAME = mesa-${VERSION}
diff --git a/mesa.spec b/mesa.spec
index fc807a7..fb871cd 100644
--- a/mesa.spec
+++ b/mesa.spec
@@ -52,12 +52,12 @@
 
 %global sanitize 1
 
-%global rctag rc3
+%global rctag rc4
 
 Name:           mesa
 Summary:        Mesa graphics libraries
 Version:        18.1.0
-Release:        0.2%{?rctag:.%{rctag}}%{?dist}
+Release:        0.3%{?rctag:.%{rctag}}%{?dist}
 
 License:        MIT
 URL:            http://www.mesa3d.org
@@ -680,6 +680,9 @@ popd
 %endif
 
 %changelog
+* Sat May 12 2018 Peter Robinson <pbrobinson@fedoraproject.org> 18.1.0-0.3.rc4
+- Update to 18.1.0~rc4
+
 * Sat May  5 2018 Peter Robinson <pbrobinson@fedoraproject.org> 18.1.0-0.2.rc3
 - Update to 18.1.0~rc3
 
diff --git a/sources b/sources
index 80775dd..9b291ef 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (mesa-18.1.0-rc3.tar.xz) = e4295ed36e27285cfb89efd285d8c1f6e364c393a6e5c2f8b891b456e31a57f9c9fc1ea053eea70b349a912ce4aff97d25571e45c2d526c6cc6e03bd666a1b86
+SHA512 (mesa-18.1.0-rc4.tar.xz) = f8809c931f92467f861f011d8abaf2a24adaf8285876f5b15c25ecc677948515babf5a40aa9b378679846704477c481b7c01d57cd560fd0d0434ff42cbcf235c