diff --git a/srcpkgs/calendarsupport/template b/srcpkgs/calendarsupport/template
index 927a48fbc9b..5aec31664ef 100644
--- a/srcpkgs/calendarsupport/template
+++ b/srcpkgs/calendarsupport/template
@@ -1,6 +1,6 @@
 # Template file for 'calendarsupport'
 pkgname=calendarsupport
-version=21.08.3
+version=21.12.0
 revision=1
 build_style=cmake
 hostmakedepends="extra-cmake-modules kconfig python3 qt5-host-tools qt5-qmake
@@ -12,7 +12,7 @@ maintainer="John <me@johnnynator.dev>"
 license="GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://community.kde.org/KDE_PIM"
 distfiles="${KDE_SITE}/release-service/${version}/src/calendarsupport-${version}.tar.xz"
-checksum=de798aca4ce24ea0f94c4fec1554ebc835c5414cd40e2d6c1a00708d3aa22ace
+checksum=345ce151c2811dd9172b79a142b8f3384e19b55920f56022bc9446f18aef79a8
 
 calendarsupport-devel_package() {
 	depends="${sourcepkg}>=${version}_${revision} ${makedepends}"