diff --git a/extra/cantor/PKGBUILD b/extra/cantor/PKGBUILD
index e103b456a..9d2e0341d 100644
--- a/extra/cantor/PKGBUILD
+++ b/extra/cantor/PKGBUILD
@@ -6,7 +6,7 @@
 #  - drop julia make/optdepends, doesn't build on ARM
 
 pkgname=cantor
-pkgver=21.04.1
+pkgver=21.04.2
 pkgrel=1
 pkgdesc='KDE Frontend to Mathematical Software'
 url='https://apps.kde.org/cantor/'
@@ -23,7 +23,7 @@ optdepends=('maxima: Maxima backend'
             'sagemath: SageMath backend'
             'julia: Julia backend')
 source=(https://download.kde.org/stable/release-service/$pkgver/src/$pkgname-$pkgver.tar.xz{,.sig})
-sha256sums=('ea5f15dd29253421e161ce9b4942c40c8704b652d606d53b655a340bb843cf8c'
+sha256sums=('8bd35569d15de7eec9b95e1e5a56c2c90f3555a9c24c557e3e391da49d518cbf'
             'SKIP')
 validpgpkeys=(CA262C6C83DE4D2FB28A332A3A6A4DB839EAA6D7  # Albert Astals Cid <aacid@kde.org>
               F23275E4BF10AFC1DF6914A6DBD2CE893E2D1C87  # Christoph Feck <cfeck@kde.org>