diff --git a/wine-3.21.tar.xz b/wine-3.21.tar.xz
deleted file mode 100644
index 2a85e89..0000000
--- a/wine-3.21.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:a84cc06015df06e12c524213a98d879caa0d63f474b911cdd87f693fcfe2e0c0
-size 21573872
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deleted file mode 100644
index e82587e..0000000
--- a/wine-3.21.tar.xz.sign
+++ /dev/null
@@ -1,16 +0,0 @@
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new file mode 100644
index 0000000..5d2e5c1
--- /dev/null
+++ b/wine-4.0-rc1.tar.xz
@@ -0,0 +1,3 @@
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+size 21602872
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new file mode 100644
index 0000000..84eec52
--- /dev/null
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diff --git a/wine.changes b/wine.changes
index 2460158..e4ec553 100644
--- a/wine.changes
+++ b/wine.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Sat Dec  8 08:46:56 UTC 2018 - meissner@suse.com
+
+- Update to 4.0rc1 release candidate
+  - Preloader implemented on mac OS.
+  - Mouse cursor support on Android.
+  - Updates to the timezone database.
+  - Vulkan support updated to the latest spec.
+  - Stream I/O support in WebServices.
+  - Better palette support in WindowsCodecs.
+  - Synchronization objects support for kernel drivers.
+  - Various bug fixes.
+
 -------------------------------------------------------------------
 Tue Dec  4 16:50:35 UTC 2018 - meissner@suse.com
 
diff --git a/wine.spec b/wine.spec
index c31245b..bed569f 100644
--- a/wine.spec
+++ b/wine.spec
@@ -107,16 +107,16 @@ BuildRequires:  pkgconfig(xrandr)
 BuildRequires:  pkgconfig(xrender)
 BuildRequires:  pkgconfig(xxf86vm)
 BuildRequires:  pkgconfig(zlib)
-%define realver 3.21
-Version:        3.21
+%define realver 4.0-rc1
+Version:        4.0~rc1
 Release:        0
 Summary:        An MS Windows Emulator
 License:        LGPL-2.1-or-later
 Group:          System/Emulators/PC
 Url:            http://www.winehq.org/
-Source0:        https://dl.winehq.org/wine/source/3.x/%{projectname}-%{realver}.tar.xz
+Source0:        https://dl.winehq.org/wine/source/4.0/%{projectname}-%{realver}.tar.xz
 Source41:       wine.keyring
-Source42:       https://dl.winehq.org/wine/source/3.x/%{projectname}-%{realver}.tar.xz.sign
+Source42:       https://dl.winehq.org/wine/source/4.0/%{projectname}-%{realver}.tar.xz.sign
 Source2:        http://kegel.com/wine/wisotool
 Source3:        README.SUSE
 Source4:        wine.desktop