diff --git a/ksudoku-21.03.90.tar.xz b/ksudoku-21.03.90.tar.xz
deleted file mode 100644
index 2314042..0000000
--- a/ksudoku-21.03.90.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:08a5fec35f61121d6f0fcabc3bd7a2761727f5a69e4fb63059c37dc0491d67d9
-size 1676844
diff --git a/ksudoku-21.03.90.tar.xz.sig b/ksudoku-21.03.90.tar.xz.sig
deleted file mode 100644
index 9e4f720..0000000
--- a/ksudoku-21.03.90.tar.xz.sig
+++ /dev/null
@@ -1,16 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQIzBAABCgAdFiEE2BwMs463Je9mkcOFu0YzUNbvMe8FAmBwCr4ACgkQu0YzUNbv
-Me9wlQ/+Mggx8tB1C6Jq60UMqjXax0iGr5z7KCfisMyTAxdhS4t9RxNq80FzqifI
-5jlFe9fiXdVBb6eunAlWX4tegg0bpA/VPrQzWHm46B0FGUmAmBcwv8MJt9PSsF/5
-aSHVsyIdPVRbW1BqI/QeeV2fJO2n+Vc6XyNyXHP1B0FIyHGpzvBbNoUpiHoyKdzN
-vewbnhsnh0usGPn1x83e0wEDXgPMU2VKLFiER1bVjdmQ/14DA0t7K9nzZh2inc+l
-k3nn9VVGn3UbaS34bdoAimwKgTqNK4aC/A+07N4KO+ihNS1QcTWhQZE7eUoibs02
-VuvDtWwR1nUHap7loge+i5vKrWZxVLpwSYf7UvhO5RLweIYzkZ+sF2QlEl2sOUx0
-RlDuWozC/gWHg2E9kz6SiYtFuRMf9LcEgXGlmrL250+190OzlXyPCrAb+ZUfuZLn
-v7IEEkHs3V7PWX3QaRUv6r3AKskMdl6eOrmxyRgQUYihx3XEYhwVt3X6LxWsGP7w
-ABA27y0nJIvBwJxEyGmW39S/sHomt2HaA4fHWI4+G8rzz8SKdwp0mF4oJVH6cFGG
-qUi6XnN/qaY+OzgFZri/eFI0DJoF18cWg16fygk+wjlW5g5FJjpk9o/nUTCDCGs/
-9MoZ8p3VzKkrg+TN3A8Mg337rMufVFm51Xoc4v5wy54rU3wNgVc=
-=gdXo
------END PGP SIGNATURE-----
diff --git a/ksudoku-21.04.0.tar.xz b/ksudoku-21.04.0.tar.xz
new file mode 100644
index 0000000..a54a441
--- /dev/null
+++ b/ksudoku-21.04.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:60475276fa548766401433c6eaa6b02fa1478f2db02f40f04be5fc2baf34d564
+size 1678496
diff --git a/ksudoku-21.04.0.tar.xz.sig b/ksudoku-21.04.0.tar.xz.sig
new file mode 100644
index 0000000..35f6bd8
--- /dev/null
+++ b/ksudoku-21.04.0.tar.xz.sig
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+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+=fZn8
+-----END PGP SIGNATURE-----
diff --git a/ksudoku.changes b/ksudoku.changes
index 3b0e3b3..7b1cb71 100644
--- a/ksudoku.changes
+++ b/ksudoku.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Fri Apr 16 16:12:43 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Update to 21.04.0
+  * New feature release
+  * For more details please see:
+  * https://kde.org/announcements/releases/21.04.0
+- No code change since 21.03.90
+- Stop owning directories provided by the filesystem package (boo#1184786)
+
 -------------------------------------------------------------------
 Fri Apr  9 17:41:09 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/ksudoku.spec b/ksudoku.spec
index 8f1d405..af7cc56 100644
--- a/ksudoku.spec
+++ b/ksudoku.spec
@@ -21,13 +21,17 @@
 %{!?_kapp_version: %define _kapp_version %(echo %{version}| awk -F. '{print $1"."$2}')}
 %bcond_without lang
 Name:           ksudoku
-Version:        21.03.90
+Version:        21.04.0
 Release:        0
 Summary:        Program to generate and solve Sudoku puzzles in 2D or 3D
 License:        GPL-2.0-or-later
 Group:          Amusements/Games/Board/Puzzle
-URL:            https://www.kde.org
-Source:         https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz
+URL:            https://apps.kde.org/ksudoku
+Source:         https://download.kde.org/stable/release-service/%{version}/src/%{name}-%{version}.tar.xz
+%if %{with lang}
+Source1:        https://download.kde.org/stable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
+Source2:        applications.keyring
+%endif
 BuildRequires:  extra-cmake-modules
 BuildRequires:  pkgconfig
 BuildRequires:  update-desktop-files
@@ -56,10 +60,6 @@ BuildRequires:  cmake(Qt5Widgets)
 BuildRequires:  pkgconfig(glu)
 Obsoletes:      ksudoku5 < %{version}
 Provides:       ksudoku5 = %{version}
-%if %{with lang}
-Source1:        https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
-Source2:        applications.keyring
-%endif
 Recommends:     %{name}-lang
 
 %description
@@ -72,7 +72,7 @@ number twice on each column, row, or subsquare.
 %lang_package
 
 %prep
-%setup -q
+%autosetup -p1
 
 %build
   %cmake_kf5 -d build
@@ -89,7 +89,6 @@ number twice on each column, row, or subsquare.
 %files
 %license COPYING*
 %config %{_kf5_configdir}/ksudokurc
-%dir %{_kf5_appstreamdir}
 %doc %lang(en) %{_kf5_htmldir}/en/ksudoku/
 %{_kf5_applicationsdir}/org.kde.ksudoku.desktop
 %{_kf5_appstreamdir}/org.kde.ksudoku.appdata.xml