diff --git a/pkgs/by-name/no/notion/package.nix b/pkgs/by-name/no/notion/package.nix
index ed09967977b0..47621d626d88 100644
--- a/pkgs/by-name/no/notion/package.nix
+++ b/pkgs/by-name/no/notion/package.nix
@@ -19,20 +19,24 @@
   xmessage,
   xterm,
 }:
-
 stdenv.mkDerivation (finalAttrs: {
   pname = "notion";
-  version = "4.0.2";
+  version = "4.0.3";
 
   src = fetchFromGitHub {
     owner = "raboof";
     repo = "notion";
-    rev = finalAttrs.version;
-    hash = "sha256-u5KoTI+OcnQu9m8/Lmsmzr8lEk9tulSE7RRFhj1oXJM=";
+    tag = finalAttrs.version;
+    hash = "sha256-Ll4thDS8fHxkm2IuGjePPVPyPPrz7yDzpKVloFuk/yE=";
   };
 
-  # error: 'PATH_MAX' undeclared
   postPatch = ''
+    # Fix build failure due missing headers
+    sed -i '1i#define _POSIX_C_SOURCE 200809L' mod_notionflux/notionflux/notionflux.c
+    sed -i '2i#include <stdio.h>' mod_notionflux/notionflux/notionflux.c
+    sed -i '3i#include <string.h>' mod_notionflux/notionflux/notionflux.c
+
+    # error: 'PATH_MAX' undeclared
     sed 1i'#include <linux/limits.h>' -i mod_notionflux/notionflux/notionflux.c
   '';
 
@@ -92,6 +96,7 @@ stdenv.mkDerivation (finalAttrs: {
     maintainers = with lib.maintainers; [
       jfb
       raboof
+      NotAShelf
     ];
     platforms = lib.platforms.linux;
   };