diff --git a/gnu/packages/kde-utils.scm b/gnu/packages/kde-utils.scm
index 994597571c4..f2ca6ec6afb 100644
--- a/gnu/packages/kde-utils.scm
+++ b/gnu/packages/kde-utils.scm
@@ -1265,7 +1265,7 @@ remind you to take a break now and then.")
            kcrash
            kdbusaddons
            kdnssd
-           kdsoap-qt6
+           kdsoap
            kdsoap-ws-discovery-client
            ki18n
            kiconthemes
diff --git a/gnu/packages/kde.scm b/gnu/packages/kde.scm
index fc21b296593..58fdb106c89 100644
--- a/gnu/packages/kde.scm
+++ b/gnu/packages/kde.scm
@@ -727,7 +727,7 @@ illustrate project schedules.")
     (build-system qt-build-system)
     (native-inputs
      (list extra-cmake-modules))
-    (inputs (list kdsoap-qt6))
+    (inputs (list kdsoap))
     (arguments (list
                 ;; test require network.
                 #:tests? #f
@@ -788,7 +788,7 @@ KDSoap.")
                   kcoreaddons
                   kdnssd
                   kdbusaddons
-                  kdsoap-qt6
+                  kdsoap
                   kdsoap-ws-discovery-client
                   kguiaddons
                   ktextwidgets
diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index 68ecdeb23da..be008f7b61b 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -28,7 +28,7 @@
 ;;; Copyright © 2022 Petr Hodina <phodina@protonmail.com>
 ;;; Copyright © 2022 Yash Tiwari <yasht@mailbox.org>
 ;;; Copyright © 2023 Sharlatan Hellseher <sharlatanus@gmail.com>
-;;; Copyright © 2022, 2024 Zheng Junjie <873216071@qq.com>
+;;; Copyright © 2022, 2024, 2025 Zheng Junjie <z572@z572.online>
 ;;; Copyright © 2023 Herman Rimm <herman@rimm.ee>
 ;;; Copyright © 2023 Simon South <simon@simonsouth.net>
 ;;; Copyright © 2024 Foundation Devices, Inc. <hello@foundation.xyz>
@@ -5713,9 +5713,12 @@ policy applications.")
         (base32
          "0mpkg9iyvzb6mxvhbi6zc052ids2r2nzpmjbljgpq6a2hja13vyr"))))
     (build-system qt-build-system)
-    (inputs (list qtbase-5))
     (arguments
-     (list #:configure-flags #~(list "-DKDSoap_TESTS=true")
+     (list #:qtbase qtbase
+           #:configure-flags
+           #~(list "-DKDSoap_TESTS=true"
+                   ;; remove when next version release.
+                   "-DKDSoap_QT6=true")
            #:phases
            #~(modify-phases %standard-phases
                (replace 'check
@@ -5731,14 +5734,7 @@ web server.")
     (license (list license:gpl2 license:gpl3))))
 
 (define-public kdsoap-qt6
-  (package
-    (inherit kdsoap)
-    (name "kdsoap-qt6")
-    (arguments (substitute-keyword-arguments (package-arguments kdsoap)
-                 ((#:configure-flags flags #~(list))
-                  #~(cons "-DKDSoap_QT6=true" #$flags))))
-    (inputs (modify-inputs (package-inputs kdsoap)
-              (replace "qtbase" qtbase)))))
+  (deprecated-package "kdsoap-qt6" kdsoap))
 
 (define-public libaccounts-qt
   (package