diff --git a/k3b-21.03.90.tar.xz b/k3b-21.03.90.tar.xz
deleted file mode 100644
index 4e8d57f..0000000
--- a/k3b-21.03.90.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:70f6ff0afe8e6ba477805140d5e9dcce6f8e253cc6daf5d43ddbe5212015d450
-size 10709232
diff --git a/k3b-21.03.90.tar.xz.sig b/k3b-21.03.90.tar.xz.sig
deleted file mode 100644
index 955ed0b..0000000
--- a/k3b-21.03.90.tar.xz.sig
+++ /dev/null
@@ -1,16 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQIzBAABCgAdFiEE2BwMs463Je9mkcOFu0YzUNbvMe8FAmBwCrkACgkQu0YzUNbv
-Me9b3g//QAtxCwRv27vBMmoDyep9oN6S8XRgEW/nBmmX7uOTb0ZB0FfoYwUNcVSS
-c0kTSc0VotTskNv0hOe6fkEEu4AErNXUyT7i46QfDBb4ukWVMOUx2dNFpqc+SfSW
-/OehbazCJswUT2gUlcFlMu2VDqyL5ZdAhKmtP39Ys6peH2M349b1WM1KzOZo6KMa
-VjFUek4cr+l1TnaN/SVE/JObwLyksJTf2/KaR/ibnfuJgBuR7C16RI/LCA1axRCh
-E6U9TJoi9enf880N8qM5WPJfmmATHG+9BcvwPiZYC42c3HKDGRZien2wRI4K2Bs4
-q7j7r3czG7+/QyQPPkg4tJ1Ws6znswNjemCgMLoB4cSgvQd5iq00gkOFt7PnLxwx
-YUpCpELvkjmlFGnkOKwsFyx9m5TGVVnS0LIYW+vQdbYmf0gjSh2cqD+gCwXT3kuD
-K+92BtRFOL97l5pj5U+KLkhDfEGHXRBdRuwNjRRJkQsT/6rlyUnAuBDCU0QNvvVb
-EV/GXwXwXM3RL68E5HC9XLxmQJFVclA0rn9F47oFGuItcEZttGDSRw9gPVA4NDjq
-M7KZqSUpHscfd/9ZkQ0o8j9A8+mEoUIlh6Zfug0ShBYNG23RfE27/vncY/aV7Foo
-BWNHUAvUUtnZlKTbzeSd913eyp4QPKjQTBLdTaKwa4HW9zZwWo4=
-=Zqoh
------END PGP SIGNATURE-----
diff --git a/k3b-21.04.0.tar.xz b/k3b-21.04.0.tar.xz
new file mode 100644
index 0000000..d1aaa57
--- /dev/null
+++ b/k3b-21.04.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:56e4787330fb886503f69e5ef926cf10a2feb708c25ca5a0c8ce2032d7a9cfa8
+size 10709248
diff --git a/k3b-21.04.0.tar.xz.sig b/k3b-21.04.0.tar.xz.sig
new file mode 100644
index 0000000..a94029a
--- /dev/null
+++ b/k3b-21.04.0.tar.xz.sig
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+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+=MdB3
+-----END PGP SIGNATURE-----
diff --git a/k3b.changes b/k3b.changes
index 22c08ef..4e75731 100644
--- a/k3b.changes
+++ b/k3b.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Apr 16 16:11:17 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 17:39:44 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/k3b.spec b/k3b.spec
index 6ebeb1e..19bf952 100644
--- a/k3b.spec
+++ b/k3b.spec
@@ -21,13 +21,17 @@
 %bcond_without lame
 %bcond_without mad
 Name:           k3b
-Version:        21.03.90
+Version:        21.04.0
 Release:        0
-Summary:        CD/DVD/Blu-ray Burning Application for KDE
+Summary:        CD/DVD/Blu-ray Burning Application by KDE
 License:        GPL-2.0-or-later
 Group:          Productivity/Multimedia/CD/Record
-URL:            https://www.kde.org
-Source:         https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz
+URL:            https://apps.kde.org/k3b
+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
 # PATCH-FIX-OPENSUSE
 Patch1:         Don-t-suggest-to-install-libburn.patch
 # PATCH-FIX-OPENSUSE
@@ -83,10 +87,6 @@ Recommends:     vcdimager
 Provides:       kde4-k3b = 4.2.2.svn951754
 Obsoletes:      k3b-codecs
 Obsoletes:      kde4-k3b < 4.2.2.svn951754
-%if %{with lang}
-Source1:        https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
-Source2:        applications.keyring
-%endif
 %if %{with ffmpeg}
 BuildRequires:  pkgconfig(libavcodec)
 BuildRequires:  pkgconfig(libavformat)
@@ -118,8 +118,7 @@ This package contain files needed for development with k3b.
 %lang_package
 
 %prep
-%setup -q
-%autopatch -p1
+%autosetup -p1
 
 %build
 CXXFLAGS="%{optflags} -fno-strict-aliasing"