diff --git a/knights-21.03.90.tar.xz b/knights-21.03.90.tar.xz
deleted file mode 100644
index c728054..0000000
--- a/knights-21.03.90.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:28a8ebaae8e1bb9ac4c824f131bcb6a46c9c8d6730d2f69c17216425989459da
-size 3536392
diff --git a/knights-21.03.90.tar.xz.sig b/knights-21.03.90.tar.xz.sig
deleted file mode 100644
index 009fd01..0000000
--- a/knights-21.03.90.tar.xz.sig
+++ /dev/null
@@ -1,16 +0,0 @@
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diff --git a/knights-21.04.0.tar.xz b/knights-21.04.0.tar.xz
new file mode 100644
index 0000000..23b1a19
--- /dev/null
+++ b/knights-21.04.0.tar.xz
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+oid sha256:c392a3b3f02cc52aedd3e22e90950d3204fb1465f49bcfdd1a1fcd7237c68327
+size 3536400
diff --git a/knights-21.04.0.tar.xz.sig b/knights-21.04.0.tar.xz.sig
new file mode 100644
index 0000000..828720b
--- /dev/null
+++ b/knights-21.04.0.tar.xz.sig
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diff --git a/knights.changes b/knights.changes
index 80d5dda..0e972a2 100644
--- a/knights.changes
+++ b/knights.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Apr 16 16:12:19 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
+
 -------------------------------------------------------------------
 Fri Apr  9 17:40:45 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/knights.spec b/knights.spec
index b011973..ae41ecf 100644
--- a/knights.spec
+++ b/knights.spec
@@ -18,13 +18,17 @@
 
 %bcond_without lang
 Name:           knights
-Version:        21.03.90
+Version:        21.04.0
 Release:        0
 Summary:        A simple chess board
 License:        GPL-2.0-or-later
 Group:          Amusements/Games/Board/Chess
-URL:            https://www.kde.org
-Source:         https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz
+URL:            https://apps.kde.org/knights
+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:  cmake(KF5ConfigWidgets)
 BuildRequires:  cmake(KF5Crash)
@@ -47,10 +51,6 @@ Requires:       gnuchess
 Recommends:     %{name}-lang
 Suggests:       crafty
 Obsoletes:      kchess
-%if %{with lang}
-Source1:        https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
-Source2:        applications.keyring
-%endif
 %if 0%{?suse_version}
 BuildRequires:  update-desktop-files
 %endif
@@ -65,7 +65,7 @@ against each other.
 %lang_package
 
 %prep
-%setup -q
+%autosetup -p1
 
 %build
 %cmake_kf5 -d build
@@ -86,16 +86,15 @@ against each other.
 %files
 %license LICENSE
 %doc README.themes
+%doc %{_kf5_htmldir}/en/knights/
 %{_kf5_applicationsdir}/org.kde.knights.desktop
 %{_kf5_appstreamdir}/org.kde.knights.appdata.xml
 %{_kf5_bindir}/knights
-%{_kf5_knsrcfilesdir}/knights.knsrc
-%dir %{_kf5_configkcfgdir}
 %{_kf5_configkcfgdir}/knights.kcfg
 %{_kf5_dbusinterfacesdir}/org.kde.Knights.xml
 %{_kf5_debugdir}/knights.categories
-%doc %{_kf5_htmldir}/en/knights/
 %{_kf5_iconsdir}/*/*/*/knights.*
+%{_kf5_knsrcfilesdir}/knights.knsrc
 %{_kf5_kxmlguidir}/knights/
 %{_kf5_sharedir}/knights/