diff --git a/pkgs/by-name/un/unityhub/package.nix b/pkgs/by-name/un/unityhub/package.nix
index ab7dd5b92db9..f6462328da7c 100644
--- a/pkgs/by-name/un/unityhub/package.nix
+++ b/pkgs/by-name/un/unityhub/package.nix
@@ -96,18 +96,7 @@ stdenv.mkDerivation rec {
         xorg.libXcursor
         glib
         gdk-pixbuf
-        (libxml2.overrideAttrs (oldAttrs: rec {
-          version = "2.13.8";
-          src = fetchurl {
-            url = "mirror://gnome/sources/libxml2/${lib.versions.majorMinor version}/libxml2-${version}.tar.xz";
-            hash = "sha256-J3KUyzMRmrcbK8gfL0Rem8lDW4k60VuyzSsOhZoO6Eo=";
-          };
-          meta = oldAttrs.meta // {
-            knownVulnerabilities = oldAttrs.meta.knownVulnerabilities or [ ] ++ [
-              "CVE-2025-6021"
-            ];
-          };
-        }))
+        libxml2_13
         zlib
         clang
         git # for git-based packages in unity package manager