diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index b19728125580..96b6611a298e 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -53,21 +53,14 @@ let
       };
     };
     libxml2 = callPackage ./common.nix {
-      version = "2.15.3";
+      version = "2.15.4";
       src = fetchFromGitLab {
         domain = "gitlab.gnome.org";
         owner = "GNOME";
         repo = "libxml2";
         tag = "v${packages.libxml2.version}";
-        hash = "sha256-fDntZDyITs223by8n7ueOXiO7yyzshtANoWbY0+yeqo=";
+        hash = "sha256-NHk5HIGBRmWwRbX2JMBmMDiIDdee2atZEfhz3QTgcOo=";
       };
-      extraPatches = [
-        (fetchpatch {
-          name = "CVE-2026-11979.patch";
-          url = "https://gitlab.gnome.org/GNOME/libxml2/-/commit/c2e233fc1b341685fc99621b2768b503f777a72e.patch";
-          hash = "sha256-s7hnAW7r4fbb95WnFHhUMZbMJzTynV7umKIqc7Kdp/Q=";
-        })
-      ];
       extraMeta = {
         maintainers = with lib.maintainers; [
           jtojnar