diff --git a/klettres-20.11.90.tar.xz b/klettres-20.11.90.tar.xz
deleted file mode 100644
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+++ /dev/null
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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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diff --git a/klettres.changes b/klettres.changes
index 1849a2f..7ace859 100644
--- a/klettres.changes
+++ b/klettres.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sat Dec  5 23:16:34 UTC 2020 - Luca Beltrame <lbeltrame@kde.org>
+
+- Update to 20.12.0
+  * New feature release
+  * For more details please see:
+  * https://kde.org/announcements/releases/2020-12-apps-update
+- No code change since 20.11.90
+
 -------------------------------------------------------------------
 Fri Nov 27 15:16:48 UTC 2020 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/klettres.spec b/klettres.spec
index 789e26d..e902885 100644
--- a/klettres.spec
+++ b/klettres.spec
@@ -21,13 +21,13 @@
 %{!?_kapp_version: %define _kapp_version %(echo %{version}| awk -F. '{print $1"."$2}')}
 %bcond_without lang
 Name:           klettres
-Version:        20.11.90
+Version:        20.12.0
 Release:        0
 Summary:        Alphabet Learning Game
 License:        GPL-2.0-or-later
 Group:          Amusements/Teaching/Language
 URL:            https://edu.kde.org
-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
 BuildRequires:  extra-cmake-modules
 BuildRequires:  kf5-filesystem
 BuildRequires:  update-desktop-files
@@ -49,7 +49,7 @@ Recommends:     %{name}-lang
 Obsoletes:      %{name}5 < %{version}
 Provides:       %{name}5 = %{version}
 %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