diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 53b8d921cb..7190d3ca93 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -10357,14 +10357,14 @@ This package is part of the KDE games module.")
 (define-public ksudoku
   (package
     (name "ksudoku")
-    (version "19.08.3")
+    (version "20.12.0")
     (source
      (origin
       (method url-fetch)
-      (uri (string-append "mirror://kde/stable/applications/"
+      (uri (string-append "mirror://kde/stable/release-service/"
                           version "/src/ksudoku-" version ".tar.xz"))
       (sha256
-       (base32 "0rcscz91hilm7l3am5w02n0n8l7xhi4l0n4sskznh68kblw0ggw2"))))
+       (base32 "0pj6ry7ak1rnpb93mqypaxrcbmrhwg9ir6zhb3ybzfkfcrh67g12"))))
     (build-system qt-build-system)
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)