diff --git a/pkgs/development/tools/profiling/heaptrack/default.nix b/pkgs/development/tools/profiling/heaptrack/default.nix
index f0920e8b850f..e5f6e15696d0 100644
--- a/pkgs/development/tools/profiling/heaptrack/default.nix
+++ b/pkgs/development/tools/profiling/heaptrack/default.nix
@@ -1,9 +1,7 @@
 {
   lib,
   stdenv,
-  mkDerivation,
-  fetchFromGitHub,
-  fetchpatch,
+  fetchFromGitLab,
   cmake,
   extra-cmake-modules,
   makeBinaryWrapper,
@@ -14,6 +12,7 @@
   sparsehash,
   zstd,
   qtbase,
+  wrapQtAppsHook,
   kio,
   kitemmodels,
   threadweaver,
@@ -22,30 +21,25 @@
   kdiagram,
 }:
 
-mkDerivation rec {
+stdenv.mkDerivation {
   pname = "heaptrack";
-  version = "1.5.0";
+  version = "1.5.0-unstable-2025-07-21";
 
-  src = fetchFromGitHub {
-    owner = "KDE";
+  src = fetchFromGitLab {
+    domain = "invent.kde.org";
+    owner = "sdk";
     repo = "heaptrack";
-    rev = "v${version}";
-    hash = "sha256-pP+s60ERnmOctYTe/vezCg0VYzziApNY0QaF3aTccZU=";
+    rev = "9db5d53df554959478575e080648f6854d362faf";
+    hash = "sha256-8NLpp/+PK3wIB5Sx0Z1185DCDQ18zsGj9Wp5YNKgX8E=";
   };
 
-  patches = [
-    # cmake: Fix C compatibility of libunwind probes
-    (fetchpatch {
-      url = "https://invent.kde.org/sdk/heaptrack/-/commit/c6c45f3455a652c38aefa402aece5dafa492e8ab.patch";
-      hash = "sha256-eou53UUQX+S7yrz2RS95GwkAnNIZY/aaze0eAdjnbPU=";
-    })
-  ];
-
   nativeBuildInputs = [
     cmake
     extra-cmake-modules
     makeBinaryWrapper
+    wrapQtAppsHook
   ];
+
   buildInputs = [
     zlib
     boost
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fe5094154213..7dd36b61c0dd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3141,7 +3141,7 @@ with pkgs;
 
   hdf5-threadsafe = hdf5.override { threadsafe = true; };
 
-  heaptrack = libsForQt5.callPackage ../development/tools/profiling/heaptrack { };
+  heaptrack = kdePackages.callPackage ../development/tools/profiling/heaptrack { };
 
   headscale = callPackage ../servers/headscale { };