diff --git a/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix b/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix
index bb602c8b3fa..8ff4145a271 100644
--- a/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix
@@ -1,24 +1,16 @@
-{ lib, stdenv, fetchurl, fetchpatch, meson, ninja, pkg-config, desktop-file-utils, appstream-glib, libxslt
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, desktop-file-utils, appstream-glib, libxslt
 , libxml2, gettext, itstool, wrapGAppsHook, docbook_xsl, docbook_xml_dtd_43
 , gnome3, gtk3, glib, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
   pname = "gnome-dictionary";
-  version = "3.26.1";
+  version = "40.0";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/gnome-dictionary/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "16b8bc248dcf68987826d5e39234b1bb7fd24a2607fcdbf4258fde88f012f300";
+    url = "mirror://gnome/sources/gnome-dictionary/${lib.versions.major version}/${pname}-${version}.tar.xz";
+    sha256 = "1d8dhcfys788vv27v34i3s3x3jdvdi2kqn2a5p8c937a9hm0qr9f";
   };
 
-  patches = [
-    # fix AppStream validation
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/gnome-dictionary/commit/1c94d612030ef87c6e26a01a490470b71c39e341.patch";
-      sha256 = "0cbswmhs9mks3gsc0iy4wnidsa8sfzzf4s1kgvb80qwffgxz5m8b";
-    })
-  ];
-
   doCheck = true;
 
   nativeBuildInputs = [