diff --git a/pkgs/by-name/me/mediawiki/package.nix b/pkgs/by-name/me/mediawiki/package.nix
index f5c3544abd52..137a750715aa 100644
--- a/pkgs/by-name/me/mediawiki/package.nix
+++ b/pkgs/by-name/me/mediawiki/package.nix
@@ -1,33 +1,19 @@
 {
   lib,
   stdenvNoCC,
-  fetchpatch,
   fetchurl,
   nixosTests,
 }:
 
 stdenvNoCC.mkDerivation rec {
   pname = "mediawiki";
-  version = "1.45.1";
+  version = "1.45.3";
 
   src = fetchurl {
     url = "https://releases.wikimedia.org/mediawiki/${lib.versions.majorMinor version}/mediawiki-${version}.tar.gz";
-    hash = "sha256-4vEmsZrsQiBRoKUODGq36QTzOzmIpHudqK+/0MCiUsw=";
+    hash = "sha256-XqjB8yHJ+Nuk0aweTsoYJ/sTUZ1KIZDiOfUUMgWKQmk=";
   };
 
-  patches = [
-    # Fix installation with postgres
-    (fetchpatch {
-      url = "https://gerrit.wikimedia.org/r/changes/mediawiki%2Fcore~1231289/revisions/4/patch?download";
-      decode = "base64 -d";
-      postFetch = ''
-        substituteInPlace $out \
-          --replace "/Installer/" "/installer/"
-      '';
-      hash = "sha256-bhfw5CW4EEpr2GTGda3va+EmM/vK6AqBfyoCcsSiqNQ=";
-    })
-  ];
-
   postPatch = ''
     substituteInPlace includes/installer/CliInstaller.php \
       --replace-fail '$vars = Installer::getExistingLocalSettings();' '$vars = null;'