diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 735e653900..403f618a95 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -10307,14 +10307,14 @@ This package is part of the KDE games module.")
 (define-public kblocks
   (package
     (name "kblocks")
-    (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/kblocks-" version ".tar.xz"))
       (sha256
-       (base32 "0qrm0dihzhkxsq9l49ndzms802x6jn92vvabb2zf2q9z593m69cx"))))
+       (base32 "09yfm9mzbamp294cvc5finq6ilxvxr68i0dnb0m72pa4sfzmij32"))))
     (build-system qt-build-system)
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)