diff --git a/pkgs/development/tools/documentation/gi-docgen/default.nix b/pkgs/development/tools/documentation/gi-docgen/default.nix
index 06de11fde59..2218b441476 100644
--- a/pkgs/development/tools/documentation/gi-docgen/default.nix
+++ b/pkgs/development/tools/documentation/gi-docgen/default.nix
@@ -1,6 +1,5 @@
 { lib
 , fetchFromGitLab
-, fetchpatch
 , meson
 , ninja
 , python3
@@ -8,68 +7,18 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "gi-docgen";
-  version = "2021.2";
+  version = "2021.5";
 
   format = "other";
 
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
-    owner = "ebassi";
+    owner = "GNOME";
     repo = pname;
     rev = version;
-    sha256 = "17swx4s60anfyyb6dcsl8fq3s0j9cy54qcw0ciq4qj59d4039w5h";
+    sha256 = "1fz6r6mkp4fw1mn6gn9745wcdcqg7696bbwvdcnmhinlhrcnaiz6";
   };
 
-  patches = [
-    # Add pkg-config file so that Meson projects can find this.
-    # https://gitlab.gnome.org/ebassi/gi-docgen/merge_requests/26
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/jtojnar/gi-docgen/commit/d65ed2e4827c4129d26e3c1df9a48054b4e72c50.patch";
-      sha256 = "BEefcHiAd/HTW5zo39J2WtfQjGXUkNFB6MDJj8/Ge80=";
-    })
-
-    # Name generated devhelp files correctly.
-    # https://gitlab.gnome.org/ebassi/gi-docgen/merge_requests/27
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/ebassi/gi-docgen/commit/7c4de72f55cbce5670c3a6a1451548e97e5f07f7.patch";
-      sha256 = "ov/PvrZzKmCzw7nHJkbeLCnhtUVw1UbZQjFrWT3AtVg=";
-    })
-
-    # Fix broken link in Devhelp TOC.
-    # https://gitlab.gnome.org/ebassi/gi-docgen/merge_requests/28
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/ebassi/gi-docgen/commit/56f0e6f8b4bb9c92d635df60aa5d68f55b036711.patch";
-      sha256 = "5gFGiO9jPpkyZBL4qtWEotE5jY3sCGFGUGN/Fb6jZ+0=";
-    })
-
-    # Devhelp does not like subsections without links.
-    # https://gitlab.gnome.org/GNOME/devhelp/-/issues/28
-    (fetchpatch {
-      # Only visual but needed for the other two to apply.
-      # https://gitlab.gnome.org/ebassi/gi-docgen/merge_requests/28
-      url = "https://gitlab.gnome.org/ebassi/gi-docgen/commit/7f67fad5107b73489cb7bffca49177d9ad78e422.patch";
-      sha256 = "OKbC690nJsl1ckm/y9eeKDYX6AEClsNvIFy7DK+JYEc=";
-    })
-    # Add links to index.
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/ebassi/gi-docgen/commit/f891cc5fd481bc4180eec144d14f32c15c91833b.patch";
-      sha256 = "Fcnvdgxei+2ulGoWoCZ8WFrNy01tlNXMkHru3ArGHVQ=";
-    })
-    # Use different link for each symbol type name.
-    # https://gitlab.gnome.org/ebassi/gi-docgen/merge_requests/29
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/jtojnar/gi-docgen/commit/08dcc31f62be1a5af9bd9f8f702f321f4b5cffde.patch";
-      sha256 = "vAT8s7zQ9zCoZWK+6PsxcD5/48ZAfIOl4RSNljRCGWQ=";
-    })
-    # make DevHelp sections & index.json have stable ordering
-    # already merged upstream, so patch can removed when we update
-    # beyond 2021.2
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/gi-docgen/-/commit/cc21241d4386d4f78dbcb087fd9a92899935cb5c.patch";
-      sha256 = "0wna8mzrlbsv7f3bc7ndqll9l105kp8kdmhbbjhbdhzzzyvh6vcw";
-    })
-  ];
-
   nativeBuildInputs = [
     meson
     ninja
@@ -94,7 +43,7 @@ python3.pkgs.buildPythonApplication rec {
 
   meta = with lib; {
     description = "Documentation generator for GObject-based libraries";
-    homepage = "https://gitlab.gnome.org/ebassi/gi-docgen";
+    homepage = "https://gitlab.gnome.org/GNOME/gi-docgen";
     license = licenses.asl20; # OR GPL-3.0-or-later
     maintainers = teams.gnome.members;
   };