diff --git a/pkgs/development/tools/gammaray/default.nix b/pkgs/development/tools/gammaray/default.nix
index c499416a7766..6b75b06e578e 100644
--- a/pkgs/development/tools/gammaray/default.nix
+++ b/pkgs/development/tools/gammaray/default.nix
@@ -2,7 +2,6 @@
   lib,
   stdenv,
   fetchFromGitHub,
-  fetchpatch,
   cmake,
   pkg-config,
   qttools,
@@ -24,23 +23,15 @@
 
 stdenv.mkDerivation rec {
   pname = "gammaray";
-  version = "3.1.0";
+  version = "3.2.2";
 
   src = fetchFromGitHub {
     owner = "KDAB";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-mJw9yckbkFVYZlcakai/hH/gAD0xOQir5JqGMNnB/dE=";
+    hash = "sha256-tQZg8i83TGUvl2BgYrv2kMEzZZI9SXKr5DQhqJ2nBrU=";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "fix-build-for-Qt-6_9.patch";
-      url = "https://github.com/KDAB/GammaRay/commit/750195c8172bc7c2e805cbf28d3993d65c17b5a0.patch";
-      hash = "sha256-HQLOOkNmrGMoBDAK5am/NePnAF3Jsa5F0WyUjaJ2tYw=";
-    })
-  ];
-
   nativeBuildInputs = [
     cmake
     pkg-config