diff --git a/_service b/_service
index ff99cbf..a51961e 100644
--- a/_service
+++ b/_service
@@ -3,7 +3,7 @@
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="versionrewrite-pattern">v(.*)</param>
     <param name="url">https://github.com/wine-staging/wine-staging.git</param>
-    <param name="revision">refs/tags/v3.21</param>
+    <param name="revision">refs/tags/v4.0-rc1</param>
     <param name="match-tag">v*.*</param>
     <param name="scm">git</param>
   </service>
@@ -11,7 +11,7 @@
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="versionrewrite-pattern">wined3d9(.*)</param>
     <param name="url">https://github.com/sarnex/wine-d3d9-patches.git</param>
-    <param name="revision">refs/tags/wine-d3d9-3.20</param>
+    <param name="revision">refs/tags/wine-d3d9-3.21</param>
     <param name="scm">git</param>
   </service>
   <service name="recompress" mode="disabled">
diff --git a/wine-d3d9-patches-3.20.tar.xz b/wine-d3d9-patches-3.20.tar.xz
deleted file mode 100644
index 13b88d3..0000000
--- a/wine-d3d9-patches-3.20.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:224e40f5490b17e5d0149ed7c748ccf37f716241fc61e33ee4b00bad411dcc8d
-size 42292
diff --git a/wine-d3d9-patches-3.21.tar.xz b/wine-d3d9-patches-3.21.tar.xz
new file mode 100644
index 0000000..397507e
--- /dev/null
+++ b/wine-d3d9-patches-3.21.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:95b0dc1bfa402ee992788b06174fd7ef4af61e9197f86ef877b474b065a9afa4
+size 42272
diff --git a/wine-staging-3.21.tar.xz b/wine-staging-3.21.tar.xz
deleted file mode 100644
index c167224..0000000
--- a/wine-staging-3.21.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:eaa08ac8abd5d9329eb6ea831623ccbc9d5857895ab66a937eb8495d4cc296b2
-size 7469036
diff --git a/wine-staging-4.0rc1.tar.xz b/wine-staging-4.0rc1.tar.xz
new file mode 100644
index 0000000..39d9cf3
--- /dev/null
+++ b/wine-staging-4.0rc1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8d06f4d09241e090ffa364deae806b3dcd26b1929100363087dd7e7c769111a2
+size 7447628
diff --git a/wine.changes b/wine.changes
index e4ec553..58316e2 100644
--- a/wine.changes
+++ b/wine.changes
@@ -10,6 +10,7 @@ Sat Dec  8 08:46:56 UTC 2018 - meissner@suse.com
   - Better palette support in WindowsCodecs.
   - Synchronization objects support for kernel drivers.
   - Various bug fixes.
+- updated staging to 4.0-rc1
 
 -------------------------------------------------------------------
 Tue Dec  4 16:50:35 UTC 2018 - meissner@suse.com
diff --git a/wine.spec b/wine.spec
index bed569f..fa0dd03 100644
--- a/wine.spec
+++ b/wine.spec
@@ -142,7 +142,7 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 ExclusiveArch:  %{ix86} x86_64 ppc %arm aarch64
 %if %{staging}
 # upstream patch target version
-%define staging_version 3.21
+%define staging_version 4.0-rc1
 Source100:      wine-staging-%{staging_version}.tar.xz
 BuildRequires:  gtk3-devel
 BuildRequires:  libOSMesa-devel
@@ -150,7 +150,7 @@ BuildRequires:  libva-devel
 %endif
 %if %{nine}
 # upstream patch target version
-%define nine_version 3.20
+%define nine_version 3.21
 BuildRequires:  Mesa-libd3d-devel
 Requires:       Mesa-libd3d
 BuildRequires:  libOSMesa-devel