diff --git a/gnu/packages/kde-frameworks.scm b/gnu/packages/kde-frameworks.scm
index 8430dda896d..9af10e759b8 100644
--- a/gnu/packages/kde-frameworks.scm
+++ b/gnu/packages/kde-frameworks.scm
@@ -1408,7 +1408,7 @@ to flat and hierarchical lists.")
 (define-public kplotting
   (package
     (name "kplotting")
-    (version "6.19.0")
+    (version "6.21.0")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -1417,7 +1417,7 @@ to flat and hierarchical lists.")
                     name "-" version ".tar.xz"))
               (sha256
                (base32
-                "14l2im8bjj0w5hmnj0bwm8298cmw3zi5l71k5hf3v8rraiyk80sj"))))
+                "1grglgnc4zxd9166ay5bzdzm3k6liza9w87b8qx2jrfbafxikcy7"))))
     (build-system qt-build-system)
     (native-inputs
      (list extra-cmake-modules qttools))