diff --git a/pkgs/by-name/ar/art/package.nix b/pkgs/by-name/ar/art/package.nix
index 7f0c4dd6bed3..f2965d965d20 100644
--- a/pkgs/by-name/ar/art/package.nix
+++ b/pkgs/by-name/ar/art/package.nix
@@ -49,6 +49,14 @@ stdenv.mkDerivation rec {
     hash = "sha256-dg0msZ0aeyl4L7RqqGur9Lalu1QtE0igEc54WT5F+SQ=";
   };
 
+  # Fix the build with CMake 4.
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail \
+        'cmake_minimum_required(VERSION 3.9)' \
+        'cmake_minimum_required(VERSION 3.10)'
+  '';
+
   nativeBuildInputs = [
     cmake
     pkg-config