diff --git a/k3b-20.12.3.tar.xz b/k3b-20.12.3.tar.xz
deleted file mode 100644
index c9f2479..0000000
--- a/k3b-20.12.3.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:88e8d3410748e11c77755f5e7b577afb34d1c4d99e529dcc5ab9b663992c5b8c
-size 10688136
diff --git a/k3b-20.12.3.tar.xz.sig b/k3b-20.12.3.tar.xz.sig
deleted file mode 100644
index 9167828..0000000
--- a/k3b-20.12.3.tar.xz.sig
+++ /dev/null
@@ -1,16 +0,0 @@
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diff --git a/k3b-21.03.80.tar.xz b/k3b-21.03.80.tar.xz
new file mode 100644
index 0000000..a46a591
--- /dev/null
+++ b/k3b-21.03.80.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cea0fb8de2308d48bc84ca678d607201b8487fe702c920fe14840a72776169b4
+size 10708884
diff --git a/k3b-21.03.80.tar.xz.sig b/k3b-21.03.80.tar.xz.sig
new file mode 100644
index 0000000..fa63648
--- /dev/null
+++ b/k3b-21.03.80.tar.xz.sig
@@ -0,0 +1,16 @@
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diff --git a/k3b.changes b/k3b.changes
index db53642..15ad43f 100644
--- a/k3b.changes
+++ b/k3b.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun Mar 21 13:27:22 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Update to 21.03.80
+  * New feature release
+- Changes since 20.12.3:
+  * Large directories were not being added to data projects with all their contents
+  * Warn when trying to add folders that contain unsupported filenames (kde#428115)
+
 -------------------------------------------------------------------
 Thu Mar  4 06:09:42 UTC 2021 - Luca Beltrame <lbeltrame@kde.org>
 
diff --git a/k3b.spec b/k3b.spec
index afdcb4c..4f8bd7b 100644
--- a/k3b.spec
+++ b/k3b.spec
@@ -21,13 +21,13 @@
 %bcond_without lame
 %bcond_without mad
 Name:           k3b
-Version:        20.12.3
+Version:        21.03.80
 Release:        0
 Summary:        CD/DVD/Blu-ray Burning Application for KDE
 License:        GPL-2.0-or-later
 Group:          Productivity/Multimedia/CD/Record
 URL:            https://www.kde.org
-Source:         https://download.kde.org/stable/release-service/%{version}/src/%{name}-%{version}.tar.xz
+Source:         https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz
 # PATCH-FIX-OPENSUSE
 Patch1:         Don-t-suggest-to-install-libburn.patch
 # PATCH-FIX-OPENSUSE
@@ -43,28 +43,28 @@ BuildRequires:  libvorbis-devel
 BuildRequires:  musepack-devel
 BuildRequires:  pkgconfig
 BuildRequires:  update-desktop-files
-BuildRequires:  cmake(KF5Archive) >= 5.21.0
+BuildRequires:  cmake(KF5Archive)
 BuildRequires:  cmake(KF5Cddb)
-BuildRequires:  cmake(KF5Config) >= 5.21.0
-BuildRequires:  cmake(KF5CoreAddons) >= 5.21.0
-BuildRequires:  cmake(KF5DocTools) >= 5.21.0
-BuildRequires:  cmake(KF5FileMetaData) >= 5.21.0
-BuildRequires:  cmake(KF5I18n) >= 5.21.0
-BuildRequires:  cmake(KF5IconThemes) >= 5.21.0
-BuildRequires:  cmake(KF5JobWidgets) >= 5.21.0
-BuildRequires:  cmake(KF5KCMUtils) >= 5.21.0
-BuildRequires:  cmake(KF5KIO) >= 5.21.0
-BuildRequires:  cmake(KF5NewStuff) >= 5.21.0
-BuildRequires:  cmake(KF5Notifications) >= 5.21.0
-BuildRequires:  cmake(KF5NotifyConfig) >= 5.21.0
-BuildRequires:  cmake(KF5Service) >= 5.21.0
-BuildRequires:  cmake(KF5Solid) >= 5.21.0
-BuildRequires:  cmake(KF5WidgetsAddons) >= 5.21.0
-BuildRequires:  cmake(KF5XmlGui) >= 5.21.0
-BuildRequires:  cmake(Qt5Core) >= 5.5.0
-BuildRequires:  cmake(Qt5DBus) >= 5.5.0
-BuildRequires:  cmake(Qt5Gui) >= 5.5.0
-BuildRequires:  cmake(Qt5Test) >= 5.5.0
+BuildRequires:  cmake(KF5Config)
+BuildRequires:  cmake(KF5CoreAddons)
+BuildRequires:  cmake(KF5DocTools)
+BuildRequires:  cmake(KF5FileMetaData)
+BuildRequires:  cmake(KF5I18n)
+BuildRequires:  cmake(KF5IconThemes)
+BuildRequires:  cmake(KF5JobWidgets)
+BuildRequires:  cmake(KF5KCMUtils)
+BuildRequires:  cmake(KF5KIO)
+BuildRequires:  cmake(KF5NewStuff)
+BuildRequires:  cmake(KF5Notifications)
+BuildRequires:  cmake(KF5NotifyConfig)
+BuildRequires:  cmake(KF5Service)
+BuildRequires:  cmake(KF5Solid)
+BuildRequires:  cmake(KF5WidgetsAddons)
+BuildRequires:  cmake(KF5XmlGui)
+BuildRequires:  cmake(Qt5Core)
+BuildRequires:  cmake(Qt5DBus)
+BuildRequires:  cmake(Qt5Gui)
+BuildRequires:  cmake(Qt5Test)
 BuildRequires:  pkgconfig(taglib)
 Requires:       %{_bindir}/cdrdao
 Requires:       %{_bindir}/cdrecord
@@ -84,7 +84,7 @@ 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/stable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
+Source1:        https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
 Source2:        applications.keyring
 %endif
 %if %{with ffmpeg}