diff --git a/pkgs/by-name/xa/xalanc/package.nix b/pkgs/by-name/xa/xalanc/package.nix
index 06bd0ba59abf..5a98de1b8b3d 100644
--- a/pkgs/by-name/xa/xalanc/package.nix
+++ b/pkgs/by-name/xa/xalanc/package.nix
@@ -28,6 +28,10 @@ stdenv.mkDerivation {
     ./0001-clang19-gcc15-compat.patch
   ];
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt --replace-fail 'cmake_minimum_required(VERSION 3.2.0)' 'cmake_minimum_required(VERSION 3.10.0)'
+  '';
+
   nativeBuildInputs = [ cmake ];
   buildInputs = [
     xercesc