diff --git a/extra/kalgebra/PKGBUILD b/extra/kalgebra/PKGBUILD
index 2d5de49ad..a52247522 100644
--- a/extra/kalgebra/PKGBUILD
+++ b/extra/kalgebra/PKGBUILD
@@ -6,8 +6,8 @@
 #  - patch and cmake define to disable opengl for ARM
 
 pkgname=kalgebra
-pkgver=16.12.2
-pkgrel=3
+pkgver=16.12.3
+pkgrel=1
 pkgdesc="Graph Calculator"
 url="https://kde.org/applications/education/kalgebra/"
 arch=('i686' 'x86_64')
@@ -20,9 +20,9 @@ replaces=('kdeedu-kalgebra')
 conflicts=('kdeedu-kalgebra' 'kdeedu-analitza')
 source=("https://download.kde.org/stable/applications/${pkgver}/src/kalgebra-${pkgver}.tar.xz"{,.sig}
         'kalgebra-disable-opengl.patch')
-sha1sums=('067a17bbd6c44f885db13634bba5db71bfd54f13'
+sha256sums=('0b6781917d2b5cbe7b400b5ece5d163a846cfec3ff93aaa0a72d90fa4ab41162'
           'SKIP'
-          '103de918b6fdfb74a030db01afeb378fa0599717')
+          '281bd6ace1614d9982d6a3bf37c42b711e49618c64a4632eab6fac47da360dc7')
 validpgpkeys=(CA262C6C83DE4D2FB28A332A3A6A4DB839EAA6D7) # Albert Astals Cid <aacid@kde.org>
 
 prepare() {