diff --git a/pkgs/development/python-modules/pandoc-xnos/default.nix b/pkgs/development/python-modules/pandoc-xnos/default.nix
index af8c05f9a9eb..669dc5a873ea 100644
--- a/pkgs/development/python-modules/pandoc-xnos/default.nix
+++ b/pkgs/development/python-modules/pandoc-xnos/default.nix
@@ -1,7 +1,8 @@
 {
+  lib,
   buildPythonPackage,
   fetchFromGitHub,
-  lib,
+  fetchpatch,
   pandocfilters,
   psutil,
   setuptools,
@@ -10,20 +11,29 @@
 buildPythonPackage rec {
   pname = "pandoc-xnos";
   version = "2.5.0";
-  format = "pyproject";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "tomduck";
-    repo = pname;
-    rev = version;
+    repo = "pandox-xnos";
+    tag = version;
     hash = "sha256-beiGvN0DS6s8wFjcDKozDuwAM2OApX3lTRaUDRUqLeU=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  patches = [
+    # This patch fix the Pandoc 3 compatibility.
+    # See: https://github.com/tomduck/pandoc-xnos/pull/29
+    (fetchpatch {
+      url = "https://github.com/tomduck/pandoc-xnos/commit/284474574f51888be75603e7d1df667a0890504d.patch";
+      hash = "sha256-j6xaFXo3jtXGPL58aIp8RTqeQZhJ8cVKL/iUbUhXBF0=";
+    })
+  ];
+
+  build-system = [ setuptools ];
 
   pythonRelaxDeps = [ "psutil" ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     pandocfilters
     psutil
   ];
@@ -33,11 +43,11 @@ buildPythonPackage rec {
   # tests need some patching
   doCheck = false;
 
-  meta = with lib; {
+  meta = {
     description = "Pandoc filter suite providing facilities for cross-referencing in markdown documents";
     mainProgram = "pandoc-xnos";
     homepage = "https://github.com/tomduck/pandoc-xnos";
-    license = licenses.gpl3Only;
-    maintainers = with maintainers; [ ppenguin ];
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ ppenguin ];
   };
 }