diff --git a/pkgs/by-name/qh/qhull/package.nix b/pkgs/by-name/qh/qhull/package.nix
index 84777ff28cdc..a315ea25dec8 100644
--- a/pkgs/by-name/qh/qhull/package.nix
+++ b/pkgs/by-name/qh/qhull/package.nix
@@ -19,6 +19,18 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ] ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
 
+  # Fix the build with CMake 4.
+  #
+  # Remove on the next version bump.
+  #
+  # See: <https://github.com/qhull/qhull/commit/62ccc56af071eaa478bef6ed41fd7a55d3bb2d80>
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail \
+        'cmake_minimum_required(VERSION 3.0)' \
+        'cmake_minimum_required(VERSION 3.5...4.0)'
+  '';
+
   meta = with lib; {
     homepage = "http://www.qhull.org/";
     description = "Compute the convex hull, Delaunay triangulation, Voronoi diagram and more";