diff --git a/klettres-21.11.90.tar.xz b/klettres-21.11.90.tar.xz
deleted file mode 100644
index 610cc61..0000000
--- a/klettres-21.11.90.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
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deleted file mode 100644
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new file mode 100644
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new file mode 100644
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--- /dev/null
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diff --git a/klettres.changes b/klettres.changes
index 63af055..94400aa 100644
--- a/klettres.changes
+++ b/klettres.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Dec  3 19:22:11 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Update to 21.12.0
+  * New feature release
+  * For more details please see:
+  * https://kde.org/announcements/gear/21.12.0/
+- No code change since 21.11.90
+
 -------------------------------------------------------------------
 Sat Nov 27 10:11:05 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/klettres.spec b/klettres.spec
index 341907c..21c389b 100644
--- a/klettres.spec
+++ b/klettres.spec
@@ -16,20 +16,19 @@
 #
 
 
-%define kf5_version 5.60.0
 # Latest stable Applications (e.g. 17.08 in KA, but 17.11.80 in KUA)
 %{!?_kapp_version: %define _kapp_version %(echo %{version}| awk -F. '{print $1"."$2}')}
 %bcond_without lang
 Name:           klettres
-Version:        21.11.90
+Version:        21.12.0
 Release:        0
 Summary:        Alphabet Learning Game
 License:        GPL-2.0-or-later
 Group:          Amusements/Teaching/Language
 URL:            https://apps.kde.org/klettres
-Source:         https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz
+Source:         https://download.kde.org/stable/release-service/%{version}/src/%{name}-%{version}.tar.xz
 %if %{with lang}
-Source1:        https://download.kde.org/unstable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
+Source1:        https://download.kde.org/stable/release-service/%{version}/src/%{name}-%{version}.tar.xz.sig
 Source2:        applications.keyring
 %endif
 BuildRequires:  extra-cmake-modules